there are 90 chairs set up in the gym for an assembly. after the assembly, all the chairs will
be put away on racks that hold 8 chairs. how many racks are needed?

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.

What is the inverse of the function f(x) = 2x + 1?

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a. p.