PLZ HURRY IT'S URGENT Solve by graphing. y=x+6
y=2x
options:

(3, 9)

(9, 3)

(6, 12)

(12, 6)

2. Solve by graphing. {x+2y=2
x−2y=−6}
options:

(-2, -2)

(2, -2)

(2, 2)

(-2, 2)

Solve by graphing. {2x+y=2
4x+2y=−2}
options:

(-2, -1)

(-2, 2)

(-1, 2)

No solution

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

The mean of 10 values is 19. if further 5 values areincluded the mean becomes 20. what is the meanthese five additional values? a) 10b) 15c) 11d) 22

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.