Typical tip percentages in restaurants is either 20% or 25% of the total bill. If a restaurant bill before tip costs $31.88, what would the tip be at 25%? [remember all money questions should be rounded to the nearest cent.]

The graph of a line gets what as the value of the slope gets bigger

The weekly revenue for a company is r = 3p^2 + 60p + 1060, where p is the price of the company's product. what price will result in a revenue of $1200.

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)