Mark's Clothing store buys shoes for $20 and sells them for $70. Calculate the percent increase that the store charges.

Solve the inequality. 2 (4+2x) ≥5x+5

Five more than 1/3 of a number is 17. how to translate into equation

Find the value of x if B is between A and C, AB=4x-9, BC = 3x + 5, and AC=7

What is 49/63 in simplest form?

A skateboard ramp is 3.5 feet high and 6 feet long along the horizontal. To the nearest degree, what is the measure of the angle that the ramp makes with a horizontal line?

Simplify 4-6+2x-9x-8

Evaluate. 6+5|4-3^2| A. - 19 C. 31 D. 55

Gene McDonald's bank granted him a single-payment loan of $5,000 for 90 days at 9% exact interest. What is the amount of exact interest owed?

How to solve a composite figure

If you are 29 years old, you have been alive for about 920,000,000 seconds. write this number in scientific notation.