Which algebraic expression represents the statement: the difference of four times a number and seven.

4n - 7

4n + 7

n + 7

n - 7

The height of an arrow shot upward can be given by the formula s = vnt - 16, where vo is the initial velocity and t is time.

Landon is 81 years Old. Miranda is 17 years old. How many years until Landon's age is three times Marandas age?

Which expression is equal to 27? (A) 2 x 7 (B) 3 x 3 (C) 3 x 3 x 3 (D) 2 x 2 x 2 x 2 x 2 x 2 x 2

A factory starts to make a new product. A worker notices that 8 boxes of the new product weigh 9 pounds. The worker moves boxes with a cart that can carry 63 pounds. What is the greatest number of boxes the cart can carry?

Sandy has 5 more nickels than dimes. The total value of the coins is $0.85. How many nickels and dimes does Sandy have?

What number equals 100 when squared?

What are the zeros of f (x) = x^2-8x+15

What is the average speed on a car that travels 800 kilometers in 20 hours?

Solve the following equation. Then place the correct number in the box. 3x + 1 + 5x = 7 + 15 = 7x X =

Party favors are on sale for $2.40 each. You have $380 to spend on the decorations and gifts, and you have already spent $270 on decorating. Write and solve an inequality to find the number of party favors you can buy.