Answer:
A
Step-by-step explanation:
Everything else is false and A is correct because the sum of two opposites equal 0.
Answer:
Bet
Step-by-step explanation:
X-y=2 (*-2) --> -2x+2y=-4
2x+3y=14
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2x+3y=14
-2x+2y=-4
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5y=10
y=2
Answer:
f(x)=8x-25
Step-by-step explanation:
Answer:
Unit rate
Step-by-step explanation:
unit rate: A rate is a ratio that is used to compare different kinds of quantities.