Answer:
D
Step-by-step explanation:
Answer:
all the time
Step-by-step explanation:
12 dollars is discounted off, making the price 28 dollars.
Step-by-step explanation:
10 percent is 4$, 4×3=12
Answer:
see explanation
Step-by-step explanation:
The exponents can only be added if the bases are the same
Here one base is 12 and the other is 11
So the rule of addition is not applicable.
The answer is, C
2x +3y=7.20
4x+2y=8.80