If something was 200 dollars and i got it for 80 how much was it off

A square has side lengths of 9, which of the following is a correct formula for finding the area of a square? Select all that apply.

The ratio of boys to girls at a school program is 3 to 7. how many girls and present if 690 students attend the program?

Factor x^2 + 2x - 15. A) (x - 5) (x + 3) B) (x - 5) (x - 3) C) (x + 5) (x + 3) D) (x + 5) (x - 3)

What fraction is equivalent to 1/100

Sheila bought 10 1⁄2 oz of almonds for $3.36. How much did the almonds cost per ounce?

Why is partitioning a directed line segment with a ratio of 1:2 not the same as finding half the length of the directed line segment

Write an expression to represent: The sum of one and the product of four and a number x.

The surface area of a square pyramid is 95 square inches. The side length of the base is 5 inches. What is the value of x?

Subtract 2w + 4 from 3w + 6. Enter your answer in the box.

A physician prescribes a drug based on a patient's mass. The dosage is given as 0.04 mg of the drug per kilogram of the patient's mass. Answer the following and round to one decimal place, if needed.