Answer:
3 and 4 are factors of 12 so they should be multiplied to get a product of 12 ab. (Answer D)
Step-by-step explanation:
You do not multiply in addition unless an exponent is present. You should not multiply or add considering these are not like terms. Therefore, D is wrong.
It is equal. .21 ia the same as 21%
$299 and $199 adds up to 498, including the tax rate 7.5% and your total is $535.35
Answer:

Step-by-step explanation:







<h3>⚝──⭒─⭑─⭒──⚝⚝──⭒─⭑─⭒──⚝</h3>