1)Simplify: 4d - 3e - 9d + 8e

What is the inverse of the function f(x)=4x+8

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Fa bus driver leaves her first stop by 7: 00 a.m., her route will take less than 37 minutes. if she leaves after 7: 00 a.m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?