An auto repair shop charges $25 an hour they say muffler replaced $65 takes 2.5 hours substitution

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Solve the equation x/4 - 5= -8 -27 -12 -7 12

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1