The amount of money kelly earns is proportional to the number of hours she works. kelly earns $32.40 working 4 hours. create an equation that models the relationship between the amount of money kelly earns, in dollars, and h, the number of hours she works.

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

What is the slope of the line shown below?

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250