Simplify the expression 18+3 (9f-13)

What is the perimeter of a polygon with vertices at (-2, 1) , (-2, 4) , (2, 7) , (6, 4) , and (6, 1) ? Enter your answer in the box. Do not round any side lengths. units

An open top box with a square base is to be made from a square piece of cardboard that measures 24 inches on each side. A square will be cut from each corner of the cardboard and the sides will be turned up to form the box.

How to reduce 28/200

Jessie estimated the weight of his cat to be 12 pounds. The actual weight of the cat is 15 pounds. What is the percent error? Round your answer to the nearest whole percent.

In a 4-digit number, ABCD, none of the digits (A, B, C, or D) is greater than 6. A new 4-digit number, WXYZ, is to be constructed by keeping the digits in the same order as ABCD and increasing exactly 2 of the digits.

Paula's age is 4 times Mary's present age. In 6 years time, the sum of their ages will be 57 years. Find their present ages.

544,509,474,439, ... pattern

3x (x-1) ^1/2 + 2 (x-1) ^3/2 = 0 solve

you scored the following percentages on your math test, 84%, 59%, 75%, and 80%, what is your mean (average) test score?

What is the first step 7x+8=2x-9