1. olaf has 250 files saved on an external hard drive. of those files, 12% are photos. (a) write a percent equation to find the number of files that are photos. (b) how many photos does olaf have saved on his external hard drive?

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

Ithink i know it but i want to be sure so can you me out ?

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations