25% of the teachers gave homework. If 7 teachers gave homework how many teachers work there

Find the roots of the quadratic equation x2 _ 8x = 9 by completing the square. Show your work.

What is the least common denominator that can be used to x+1 over 8x^2 add 2x-3 over 12x

How do you solve for T in P=IRT. Show step-by-step solution.

What is 20% off $47.99 with 6 % sales tax

6x532 in expanded form

A die contains the numbers 1 through 6. David rolls the die 2 times. What is the probability of getting a 3 on the first roll and a 5 on the second roll?

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