14. The equation having 4 as a root is : (i) 2x - 4 = x + 4
(ii) 3x - 1 = 13
(iii) 5x + 1 = -12
(iv) 2x + 1 = -7

The table shows the distance traveled over time while traveling at a constant speed.

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.

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.