6(-4x) find the simplified expression

Pranza plotted point a in the coordinate plane below.

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 is the cube root of -1,000p^12q3? -10p^4 -10p^4q 10p^4 10p^4q