700 tickets to the school play were sold by students. Meryl sold 56 tickets. What percent of the tickets did Meryl sell?

What can you determine about the solutions of this system

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm

What is the length of the segment, endpoints of which are intersections of parabolas y=x^2− 11/4 x− 7/4 and y=− 7 /8 x^2+x+ 31/8 ?