There are 23 girls in a class. If this is 20% of the class, then how many students are in the class

Solve the exponential equation for x. 256 = (1/4) ^3x+2 A. x = - 4 B. x = 2 C. x = - 2 D. x = 4

In January, Desmond begins saving $25 per month for a used car. Each month, he is able to save $5 more than the previous month. After how many months will Desmond first have enough money to purchase a $3,000 used car?

Is 5 1/25 rational or irrational

Which two ordered pairs represent a proportional relationship? A. (3, 3) and (6, 9) B. (5, 4) and (6, 6) C. (4, 3) and (6, 6) D. (3, 3) and (6, 6)

Find (f-g) (x) for f (x) = 4x-9 and g (x) = 3x^2

The equation y = 55x + 85 describes the amount of money a plumber charges, where y is the total amount he charges and x is the number of hours he works. The table shows the total amount of money an electrician charges.

The formula C = 2πr relates the radius r of a circle to its circumference C. Solve the formula for r.

Susan found a bag of 20 golf balls at a garage sale, and bought the bag for 75 cents. Express the ratio of cost to number of balls in lowest terms. 20:75 75:20 4:15 15:4

What can you say about the graph of the function below? Check all that apply. F (x) = 4 * (7) ^x A. the y intercept is (0,7) B. the y-intercept is (0,7) C. the y-intercept is (0,4) D. the range of F (x) is all real numbers

Write an equation for the line in slope-intercept form The slope of the line is 3. The y-intercept is (0,4)