A pebble is tossed into the air from the top of a cliff. The height, in feet, of the pebble over time is modeled by the equation y = -16x^2 + 32x + 80. What is the maximum height, in feet, reached by the pebble?

In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?