Place the two large triangles around the square to form a triangle, a parallelogram ,and a trapezoid .Please answer it step by step

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

1) what is the measure of the exterior angle, ∠uvw ? 2) in triangle man, what is the measure of the exterior angle at n (in degrees)?