Answer: The simplified form by combining like terms is given by

Step-by-step explanation:
Since we have given that

Now, we combine the like terms :
1) First we collect m terms :

2) Combine n terms and constant terms :

Hence, the simplified form by combining like terms is given by

Answer:
read below explanation
Step-by-step explanation:
KEY= C;CAROL T;TINO B;BAXTER
inches: C=90 T=90 B=90
Feet: C=7.5 T=7.5 B=7.5
Yards C=2.5 T=2.5 B=2.5
Answer:
The work is on the picture
sorry was not letting write the work here
Step-by-step explanation:
Answer: 39
Step-by-step explanation:
30-8=22
22/2=11
11+2=13
13 times three is (39)
25% of 84 is 21
21 divided by 25%=84