Answer:
90/200
Step-by-step:
Kahn Academy marked it correct
Answer: (b) Multiply the top equation by 3, multiply the bottom equation by 2, then add the equations.
Step-by-step explanation: the strat would eliminate a variable in this system
Answer:
you are correct it is, 4a+100b
Step-by-step explanation:
Answer:
False
Step-by-step explanation:
1+8=9
9+10=19
1y+8y=9y
9y+10y=19y
19y=20y
The equations dont match.
Hence, the equation is false.
Answer:D
Step-by-step explanation: