I NEED HELP! 20 What is the value of this expression when d=3

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a

Astrid spent $36 on new shoes. this was $12 less than twice what she spent on a new skirt. part a: which equation would solve for how much she spent on the skirt? part b: solve the equation in the workspace provided below. how much did astrid spend on her skirt?

What is the equivalent fraction for the following fraction using 5 as the multiplier? 1/2