If BD = 7x-10, BC = 4x-29, and CD = 5x-9 , find each value

x=
BC=
CD=
BD=

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

Which of the following is the result of expanding

How do i multiply two digit numbers