How do I rewrite expressions without negative exponents

You buy a sweatshirt for $50, it is on sale for 20% off. What is the discount? What is the sale price?

By use of technology, we investigated Mary's investment and created the model, M (x) = 3.03 (1.28) 2x, in thousands of dollars. What was Mary's initial investment?

Leslie ran 4 1/2 laps around the park in 3/4 hour. Kayla ran 3 1/2 laps around the same park in the same amount of time. How many more laps around the park can Leslie run in one hour than Kayla at these rates? Explain! A. 3/4 B. 1 C. 1_1/3 D. 2

Chloe bought 12 chicken wings for $15. What was the cost of the wings in dollars per wing? Express your answer in simplest form.

Write and solve the following problem- 4 (x-9) - 2x=-3x+14

Define the proportional relationship between two quantities. If lemons and lemonade cups are in proportion how many lemons will be needed to make 15 cups of lemonade if 2 lemons make 4 cups of lemonade?

A right rectangular prism is packed with cubes of side length 1/2 inch. If the prism is packed with 5 cubes along the length, 3 cubes along the width, and 6 cubes along the height, what is the volume of the prism?

Find the common difference (d), then find the indicated term of the sequence. -2, - 9,-16, - 23, ... find the 19th term

Without subtracting 8.5 - 4.64 determine what digit will be in the hundredths place

What is the area of the triangle? A right triangle with side lengths 3.6 feet, 6 feet, and 4.8 feet. The base is 4.8 feet and the height is 3.6 feet. 8.64 feet squared 10.8 feet squared 14.4 feet squared 17.28 feet squared