Circle R has a radius of 6 inches. Points S, T, and U lie on circle R, clockwise in
alphabetical order. If mZTRS = 98°, what is mZTUS?

What ia the sum if the first 7 terms of the geometric series

What is the simplified form of square root of 400 to the 100th power ?

Triangles abc and dfg are given. find the lengths of all other sides of these triangles if: b ∠a≅∠d, ab·dg=ac·df, ac=7 cm, bc=15 cm, fg=20 cm, and df-ab=3 cm.