3a plus 7. you group the whole numbers together and than the a's. so 3+4 is 7. 2a + a is 3a.
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C..... I think it is a answer
Answer:
The price elasticity of demand is calculated as the percentage change in quantity divided by the percentage change in price.
The answer will be x=2i,-2i
Answer:
what are the options
Step-by-step explanation:
