8.4375 inches^2. You multiply 3.75 to 2.25 to get 8.4376.
If I could understand what you meant my answer is: Set M consisting of 0,1,2 and 3 whose power set has 16 individual sets :)
Slope =4/7 because you subtract 4x to the other side then divide by -7 qnd the number next to x is the slope in the slope intercept form
