What is the multiplier for a 25% increase, 18% decrease, 39% increase, and a 94% decrease? All are different multipliers.

What is the product? (x2+3y+7) [yy+1)

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 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)