Answer:
<u>n = M/7</u>
Step-by-step explanation:
7n = M
(7)n = M
n = M/7
13................Answer:
Step-by-step explanation:
Answer:
C and $320.45
Step-by-step explanation:
I think it's C because this is the full function :

And to get the b part of the question i just put the number in

I'm not a 100% sure, sorry if it's wrong
Answer:
id have to see the chart to help you
i can see k which the answer for 19).is (0,-3)
but for 20 id have to see the chart
Step-by-step explanation:
if you add a picture of the chart i can help:)