Serra rode 15 mi in 1.5 hr. phaelon rode 38 mi in 3.5 h. justice rode 22 mi in 2.25 hr. who had the fastest average speed?

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)

Line wx is parallel to line yz. if m