Question 10(multiple choice worth 5 points) (06.07 mc) four expressions are shown below: 4(8x + 2) 4(7x + 3) 32x + 8 28x + 12 which two expressions are equivalent to 4(7x + 2 + x)? a and b b and c a and d a and c

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)

Afootball is throw by a quarterback to a receiver

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)