You got the following scores on 3
tests: 84, 82, 98. what score must
you get on the 4th test if you want to
average a 90% for the 4 tests?
a. 94
b. 95
c. 96
d. 97
e. 98

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)

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?