The sum of the areas of two circles is 80π square meters. find the length of a radius of each circle if one of them is twice as long as the other.

what is the radius of the larger circle?

For g(x) = 5x - 3 and h(x) = [tex]\sqrt{x}[/tex], find (g · h)(4)

Astudent showed the steps below while solving the inequality |x-4|< 1 by graphing.

Prove the converse of the pythagorean theorem using similar triangles. the converse of the pythagorean theorem states that when the sum of the squares of the lengths of the legs of the triangle equals the squares length of the hypotenuse, the triangle is a right triangle. be sure to create and name the appropriate geometric figures.