1.) -15.9, -15.2, -3.6, 3.6
2.) second one is already correct
3.)-2.3, -2.03, 2.03, 3.0
Answer:
2.
2x+3y=45
x+y=16
3.
x+y=383
4x+6y=2034
4.
y=2x+11
x+y=53
5.
2x+5y=16
5x+2y=19
Step-by-step explanation:
Y = x + 6
y = 2x
x + 6 = 2x
x = 6
y = 2(6)
y = 12
the answer is C.(6,12)
1 hour and 45 minutes, I explained it on the last one of this copy of the question