A candy store at the mall sells Sugar Twists for $5.25 per pound and Pink Hearts for $6.00 per pound. If they sell four times as many pounds of Pink Hearts as Sugar Twists and take in $789.75, how many pounds of Pink Hearts did they sell? Do not enter units.

How far could you drive on 50 gallons of gas

Could someone with number 1 and 2

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)