Shontell spends $7 a month plus $0.10 per minute. determine whether the cost per month is proportional to the to the number of minutes by graphing on the coordinate plane

Not proportional

Step-by-step explanation:

Shontell spends $7 a month plus $0.10 per minute.

Let Shontell uses x number of minutes and total $y

Fixed amount = $7

Variable amount = $0.10 per minutes

In 1 minutes spends = 0.10

In x minutes = 0.10x

Total spends in a month, y = 7 + 0.10x

This is linear function not proportional equation.

Proportional equation, y=kx equation must passes through origin.

So, This is not situation of proportional equation. This is linear equation.

Now graph on coordinate plane

Please find attachment for graph.

d.) yes, because the volume of the cone is greater than the volume of the sphere

step-by-step explanation: