You have to multiply the coefficient and add the exponents of the variables
Answer:
y=12
Step-by-step explanation:
Use order of operations. Subtract 18 from both sides and the divide by 2.
2y+18 -18=42-18
2y=24
y=12
The last choice is the right answer. Curves do not have a constant rate of change.
Answer: A
Step-by-step explanation: Complementary angles must add up to 90 degrees.
