You eat dinner at a restaurant. Your meal with a drink costs $11.50. Because you are eating in a restaurant, the tax is 8%. How much will your meal plus 15% tip cost?

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 slope of the line that passes through the points (–9, 2) and (0, 4)? the slope of the line is

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?