🧮 algebra

1. **State the problem:** Solve the system of equations using elimination: $$-4x - 9y = 26$$

1. The problem is to choose the correct first step to eliminate a variable in the system of equations: $$-4x - 4y = -68$$

1. **State the problem:** Find the shortest route from Kingwood to Richmond using the given paths and distances. 2. **List the paths and distances:**

1. **State the problem:** Find the number of combinations of nickels and dimes that total 80 cents using exactly 11 coins. 2. **Define variables:** Let $n$ be the number of nickels

1. **State the problem:** Find the number of combinations of nickels (5 cents) and quarters (25 cents) that total 80 cents using exactly 11 coins. 2. **Define variables:** Let $n$

1. **Problem:** Find the inverse of the function $f(x) = 2x - 3$ and state if the inverse is a function, one-to-one function, or neither. 2. **Formula and rules:** To find the inve

1. **State the problem:** Find the number of combinations of nickels (5 cents) and quarters (25 cents) that total 80 cents using exactly 10 coins. 2. **Define variables:** Let $n$

1. **Problem:** Find the inverse of the function $f(x) = 2x - 3$ and determine if the inverse is a function, one-to-one function, or neither. 2. **Formula and rules:** To find the

1. **State the problem:** Find another combination of nickels ($x$) and dimes ($y$) that totals 11 coins and equals 0.80 in value. 2. **Recall the equations:**

1. **State the problem:** Zendaya has nickels and dimes totaling 11 coins, worth 0.80 dollars. We want to find the number of nickels $x$ and dimes $y$. 2. **Set up equations:**

1. **State the problem:** Evaluate the expression $4 \frac{1}{2} \times \left(-\frac{2}{3}\right) + \frac{7}{8}$. 2. **Convert the mixed number to an improper fraction:**

1. The problem is to graph the piecewise function $$f(x) = \begin{cases} 2x + 8 & 0 \leq x \leq 2 \\ (x - 4)^2 + 8 & 2 < x < 7 \\ 17 & 7 \leq x \leq 10 \end{cases}$$ over the domai

1. **State the problem:** We are given the expression $-5 + \frac{7x}{4}$ and a table of values for $x$ and the expression's value. We need to identify which algebraic expression f

1. The problem asks to write an equivalent expression to $x - 6y + 5$. 2. Let's analyze each choice:

1. **Stating the problem:** We are given a graph of a function $f(x)$ with points and behavior described, and we need to find an equation that fits this curve. 2. **Analyzing the g

1. **State the problem:** Solve the system of equations using elementary row operations: $$\begin{cases} x_1 + 2x_2 = -2 \\ 3x_1 + 5x_2 = -8 \end{cases}$$

1. **State the problem:** A cell phone plan costs 4.97 per month plus 0.03 per minute. We need to find the charge for 60 minutes, write the cost equation, and find the minutes for

1. **Problem:** Simplify the expression $$\left(x^{2} + 3x\right)^{2} - 2\left(x^{2} + 3x\right) - 8$$. 2. **Formula and rules:** Recognize this as a quadratic in terms of the expr

1. **Problem:** Masa, $t$, yang diambil oleh Ben berjalan ke sekolah berubah secara songsang dengan punca kuasa dua laju jalannya, $s$. Diberi $t=35$ minit apabila $s=4$ km/j. Cari

1. **State the problem:** We need to find what percent of the nonfiction book sales were travel books. 2. **Identify the data:** The frequencies of nonfiction book sales are:

1. **State the problem:** Solve for $x$ in the equation $$\sqrt{x + 4!} + \sqrt{x} = 12.$$ 2. **Recall the factorial:** $4! = 4 \times 3 \times 2 \times 1 = 24$. Substitute this in