D. Because you're multiplying 3 by a number which is what the variable represents (n), then you're just adding 7 to that which equals 19 all together. It all translates to 3n+7=19.
Answer:
Factors: 
Step-by-step explanation:
We are given a polynomial:

We have to factor the given polynomial into its complex factors.
The factorization can be done as follows:

45/15= 3
So 1 minute=3 cents
75*3=225=2.25 converted
75 minutes=$2.25
Answer:
$0.30 + $0.03n > $0.02 + $0.02n
Step-by-step explanation:
company x = $0.30 + $0.03n
company y = $0.02 + $0.02n
$0.30 + $0.03n > $0.02 + $0.02n