Twenty disks with the given measurements are stacked on top of each other. Which expression does NOT give the volume of the cylinder that is formed?

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?

Me i'm timed right now! a. (0,-5)b. (0,-3)c. (0,3) d. (0,5)