What is the missing side length of the pyramid if the volume is 1,026 cubic inches

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6

What multiplys to be 1 but adds up to be 4

Solve the equation for b: a= (1/2)(b)(h)