Answer:

Step-by-step explanation:





Answer:
you need to simplify them like 2n+6 simplifird if 2.(n+3)
Step-by-step explanation:
Answer: d. He multiplied when he was supposed to divide
Step-by-step explanation:
He just multiplied across when he was supposed to divide (or cross multiply) to find the unit rate :)
The missing term is -1155.
Step-by-step explanation:
Given expression is
68 * 27 - 81 + ? = 600
Let the missing term be x

Subtracting 1755 from both sides

Therefore,
The missing term is -1155.
Keywords: multiplication, addition
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Here is my answer, hope to help you