Which set of numbers could represent the lengths
of the sides of a right triangle?
1) {2,3,4}
2) {5,9,13}
3) {7,7,12}
4) {8,15,17}

Find the difference (8ab+a+2) - (3ab+6)

Suppose that the price p, in dollars, and the number of sales, x, of a certain item follow the equation 4 p plus 4 x plus 2 pxequals56. suppose also that p and x are both functions of time, measured in days. find the rate at which x is changing when xequals2, pequals6, and startfraction dp over dt endfraction equals1.5.

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units