Acandy store keeps track of its sales during the month of october. the table shows the number of sales for the first, second, third, and fourth weeks of the month. which graph could represent the data shown in the table

Is every rectangle is a parallelogram? true false

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)

See attachment below and find the equivalent of tan(∠qsr)