Heidi subtract 9 from 17. first she adds to get 10.then she added again to find her answer is Heidi correct Heidi is not correct to add blank then you add blank more to get 10 to 17 the answer is

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.

Complete this sentence with the best of choices given