Please help I know this is kind of silly but I forgot
1+1

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

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)

What is the radical expression that is equivalent to the expression 27 1 over 5?