Answer:7+a
Step-by-step explanation:multiply 7 by a
Answer:
Step-by-step explanation:
If
then
by combining like terms. (I'm thinking you might have mistyped the problem because this representation is weird).

Answer:first one is 38.67 and the second one is 12
Step-by-step explanation:
First you should find the discount so you can say:
10/100 = ?/82
so ? is your discount and ? is equal to:
? = 82*10/100 = 8.2
so your discount is $8.2 and your sale price will be:
$82 - $8.2 = $73.8 :)))
I hope this is helpful
have a nice day
Answer: 3-4n-5
Step-by-step explanation: 3-4 times an number-5 is 3-4n-5.