What is 3472 x 6927 x 92829 - 234 x 987

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)

Prove that 16^4-2^13-4^5 is divisible by 11.

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is