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.

In trapezoid efgh, m∠gfe=63∘. identify m∠ghe. !

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0