The ratio of girls to boys in a tennis club is 4: 5 if there are 144 children in the club how many girls are there

What is the missing constant term in the perfect square that starts with x^2 -20x

1. a right triangle is graphed on a coordinate plane. find the length of the hypotenuse. round your answer to the nearest tenth. 2. use the angle relationship in the figure below to solve for the value of x. assume that lines a and b are parallel and line c is a transversal.

East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy