What is the work for 14 divided by 10.5

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

How many ordered pairs of positive integers satisfy xy=32?

Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265