An artist wants to frame a square painting with an area of 400 square inches. she wants to know what the length of the wood trim that is needed to go around the painting. if x is the length of one side of the painting, what equation can you set up to find the length of a side?

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

The measure of an angle is 117°. what is the measure of a supplementary angle?

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%