Triangle PQR has the vertices P(0,4), Q(4,5), and R(4,1). Determine if PQR is a right triangle.
A. No, there are no perpendicular sides.
B. Yes, PQ is perpendicular to QR.
C. Yes, PQ is perpendicular to PR.
D. Yes, QR is perpendicular to QP.

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .

In the triangles, tr = ge and sr = fe. if = 3.2 ft, which is a possible measure of ? 1.6 ft 3.0 ft 3.2 ft 4.0 ft

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.