Answer:
the first one
Step-by-step explanation:
-22.55 i think i used a cal but all u do is subtract the percentage with the number
Answer:
Infinitely many solutions.
Step-by-step explanation:
Multiply the second equation by -2, then add the equations together
(20x+2y=18)
−2(10x+y=9)
20x+2y=18
−20x−2y=−18
Add these equations to eliminate x
0=0
Infinitely many solutions.
Answer:
red
Step-by-step explanation: