What is the value of x?

A) x = 32
B) x = 36
C) x = 37
D) x = 40

In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)

Solve the system of equations. y= 2x y= x^2 - 15

Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a