Which is the angle of rotational symmetry for the isosceles trapezoid?

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Which function has the same domain as y=2x

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)