Solve: 7(2W + 10) = 84

O w = 1
O w = 2
O w = 21
O w = 70

plz help

Solve: 3x+y=6 4x-2y=18 show all work !

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck

Three consecutive integers have a sum of 234. what are the three integers