The producer of a popular cereal decided to increase the size of its largest box. The old box held 22 oz of cereal. The new box holds 30.8 oz of cereal. By what percent does the amount of cereal in a box increase?

What value of x is in the solution set of –5x – 15 > 10 + 20x?

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)

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry