You plug in the equation and put them equal to 2
Answer:
iii
Step-by-step explanation:
Step-by-step explanation:

Answer:
X and y are supplementary.
Step-by-step explanation:
2^2(-9 + 4)
First step: solve the brackets.
2^2(-5)
Second step: solve the exponent.
4(-5)
Final step: multiply.
-20
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