Cos(a - b) =
= cos a cosb+ sina sin b for all values of a and b.
A. True
B. False
Oh

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)

3women sell hats at a craft fair weekly. the money they make at the fair is split into categories. 9% goes to pay taxes. $55 goes to pay rent for the space they sell in. the rest is split between the women. if the group make $706 at the fair, how much does each women get paid once the money is divided