1. The South Bowie Library and Oxon Hill Library are having a used book sale. The total cost, y, is a function of the number of books, X.

Cost = x + 5

a) In which library it is cheaper to buy books? Explain.

b) Which function has a greater constant rate of change? Explain.

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min

4. a single woman uses an online cash flow calculator which reveals a cash flow of 203. what does this mean?