Isabella has 42 photos of her family. she has half as many photos of her friends. the photo album holds 4 photos on each page. how many pages will isabella need for all of her photos combined.

Toyland is having a sale. all items are 20% off. how much will you save on an item that usually sells for 95$ explain your

The quadratic function h(t)=-16.1t^2+150 choose the graph representation

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)