Answer:
3N + 10
Step-by-step explanation:
Answer:
y-y1=m(x-x1)
Step-by-step explanation:
Answer:
25 minutes
Step-by-step explanation:
First you subtract the original amount on the card from the remaining amount left.
So you can get the amount of money spent on that call.
$15 - $13.50 = $1.50
Then you divide that number by how much it cost per minute.
$1.50 ÷ 6 = 0.25
Then you get your answer!
She was on the phone for 25 minutes
4(r)^x=y
4(r)^(1)=2
r=1/2
y=4*(1/2)^x
