Jackie is a toll booth employee. one day, she wrote the expression: 0.75m= 15.75she let m represent the number of motorcycles that crossed the bridge that day

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)

Percent increase and decrease. original number: 45 new number: 18

If the diagram polygon abcd is a reflection across ef to make polygon a'b'c'd'.