If your test increased by 14 points, what percent did you increase if there were 50 questions in total? show work

Solve: 3x+y=6 4x-2y=18 show all work !

Which statement is true? n is a point of tangency on circle p. pt is a secant of circle p. is a secant of circle p. vu is a tangent of circle p.

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10