The picture frames shown are both squares. The area of the larger frame is 4 times the area of the smaller frame. Find the side length of the larger frame.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

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

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.