The measure of A is 12° greater than the measure of B. The two angles are complementary. Find the measure of each angle.

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

What is the area of the triangle 10 13 12

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)