V = lwh
15(10.5)(4.5) = 708.75
7.71 feet is your answer.
The slope is 2. The y-intercept is 4.
Explanation:
The line constantly goes up to units for every unit that it goes to the right. The y intercept is 4 because it is 4 on the y-axis when x is 0.
The 3 in 350 is in the hundred place and in 403 the 3 is in the ones place