Which situation can be modeled by the equation y = mx + b?

That is a slope intercept equation if that's what your asking.

Step-by-step explanation:

y = mx + b

-In this situation y and x represent a set of cordinates on the graph that are a solution to the equation.

-m represents the slope of the line.

-b represents the y intercept on the graph.

I hope this helps you.

A.

The number of subscribers (y) of an online news journal doubles every week (x).

B.

The time (y) it takes to make 100 pots at a pottery wheel depends on the number of pots made per hour (x).

C.

The total daily income (y) of a hotel clerk who earns $12 per hour depends on the number of hours worked (x).

D.

The volume (y) of a square prism with a height of 8 inches depends on the side length (x) of its square base.

Step-by-step explanation:

C

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.