What is the equation of the axis of symmetry of the parabola y=-2x^2+8x-7?
x=

Evaluate the expression. (9 + 5)(3 + 2)0

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

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?