Answer:
A (-2.5, 5) Might Not Be Right
Step-by-step explanation:
Answer:
FG
Step-by-step explanation:
Answer: total is 200
Step-by-step explanation:
30% = 60
10% = 60/3 = 20
100% = 200

First, solve the parentheses:

Next, the exponential terms

Solve the multiplication:

Add and subtract:
Answer: 4a
Explanation If ‘a’ represents his age today, and you have to find his age in four years you take 4 multiplied a. (4 x a) putting it together and you would get 4a