Jeremy sold a total of 10 cookies and brownies. He sold each cookie for $1.25 and each brownie was sold for $2.50. Jeremy earned $20. How many cookies did he sell? A.4
B.5
C.6
D.8

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

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)