Answer:
the taco stand would sell 37 tacos in 1/2 an hour.
-2, -2, -2, +2
-2 + -2 + -2 + 2
-2 -2 -2 + 2
-6 + 2
-4
-4/ 4 = -1
His average is -1
I think the answer is 3/5

Explanation

Step 1
multiplicate by the conjugate

notice that


I hope this helsp you
Answer:
yes
Step-by-step explanation:
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