(25 points) PLEASE HELP, I gotta get this done or my mom will beat the hell out of me Solve

x + y = 2

4y = -4x + 8

by elimination (not Gaussian!)

Thanks!
(also, please show work!)

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120