Answer:
3(x+y)
Step-by-step explanation:
3(x+y)
distribute
3x+3y
Hi there,
Remove parenthesis,
7 + 9 + (-4)
Then, use the addition and subtraction rules:
7 + 9 - 4
Hence, the answer is 12 (C)
Hope this helps :)
Answer:
5.25 miles/hour
Step-by-step explanation:
You take the distance / time