Split it out and solve it !!
6(4a^2+11)- 13(3a-2a^2)-28
24a² + 66 - 39a +26a² - 28
50a² - 39a + 38
30 miles/ 1 gallon
30 miles per gallon
30/1
Answer:
18
Step-by-step explanation:

That will give you 18 which is the answer
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