Answer:
The answer is 27
Step-by-step explanation:
The reason being, you can solve this 2 ways.
1) Combine like terms, 7a-4a = 3a.
Now just substitute (a=9) into 3a.
3 * (9) = 27.
2) Or just substitute a = 9 into the original expression.
7 * (9) - 4 * (9)
= 63 - 36 = 27
Answer:
He should buy 4 boxes
Step-by-step explanation:
25 divided by 8 is 3.125, but you want to have enough so the least amount you can buy is 4.
Answer:
i think u add them
Step-by-step explanation:
9+ 7+16=32
By asking students to answer un-biased, and with detail. Comparing and contrasting each others' genre preference is also useful.
Answer:
Each get 5
Step-by-step explanation:
