What is 4.7,8.51,6.5,7.42,9.64,7.2,9.3

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

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

Which graph of a hyperbola represents the equation 16x^2-y^2=16