Ineed some on this question. segment lm is the midsegment of trapezoid abcd. ab=48, and dc=88. what is lm? i am not sure how to figure it out. any would be appreciated. you.

Evaluate the following expression 1/3^2

What is the factored form of the following expressions? d^2 – 13d + 36

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)