Answer:
M=3+2C
Step-by-step explanation:
Let M be Melanie's age
Let C be Crystal's age
Twice Crystal's age =2C
3 years more than twice crystal's age =3+2C
Therefore, the expression would be ;
M=3 +2C
Answer:
359
Step-by-step explanation:
brainiest?
What do u want to do to it??
Answer:
I think it is B but im not forsure
Step-by-step explanation:
Answer: Discounted function will be

Step-by-step explanation:
Since we have given that
Initial cost of solar energy = $9000
Average annual cost of heating a home with solar energy = $200
Rate of discount he received on the total cost = 25%
Let the number of year will be t
According to question, we need to write a discounted cost as a function of number of years.
So, our function becomes,

Hence, discounted function will be
