Which answer would make △WTV~△RSP by the AA similarity postulate?

Look at this expression. a3b3c a-3b-3c-1 which of the following is the simplest form of the expression above?

What properties allow transformation to be used as a problem solving tool

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