Answer:
5a^2 + 7a
Step-by-step explanation:
Combine like terms
10 blocks = 6 min
30 blocks = 18 min
You can answer this because you know that 10 x 3 is 30, so if if the number of blocks tripled then the amount of time should triple as well because he's running at the same rate.
= 18 1/5 + 22 2/5 + 40 1/5
answer is D. last one
7 out of 9 , 7:9, 7/9
because 4+5=9
9-2= 7
<span> -63 + (-208) + (-11) = -63 - 208 - 11 = -282
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Answer: -282
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