Valerie predicts she will be able to hold her breath for 31 second while underwater. If she actually held her breath for 34 seconds, what was Valerie's percent error? Round your answer to the nearest tenth of a percent.

Can you match the teachers comments to the definitions?

What is the next number in the pattern? 1, 6, 11, 16, ... Write your working and your answer in the box below.

If the value of b is 7, then what is the value of the expression - 3b2 + 25 = ? A. 17 B. - 122 C. 122 D. 172. - 3 (7) 2+25-3*49+25-147+25-122 B.-122

A rectangular box has a length of 3 inches, a width of 2 inches, and a height of 4 inches. Find the dimensions of the three similar boxes: one that has a length of 6 inches, one that has a width of 6 inches, and one that has a heght of 6 inches.

What is the answer to the equation - 3 (a+6) for distributive property

A factory can produce two products, x and y, with a profit approximated by P = 14x + 22y - 900. The production of y can exceed x by no more than 100 units. Moreover, production levels are limited by the formula x + 2y ≤ 1,400.

What is the greatest common factor between 8x and 40?

John and Jim painted a fence John painted 1/4 of the fence and Jim painted 5/12 of the fence how much fence do they paint total

Why do you need to calculate mean, or modo of a set of data?

Two opposite sides of a parallelogram are 3x-8 and 10x+13. Find the measure of all sides