Simplify 8 over negative 4 divided by negative 3 over 9. 6 −6 12 −12

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.

Given a binomial distribution variable with n=20 and p=0.60 find the following possibilities using the binomial table a) p(x < 13) b) p x > 15) c) p(x = 17) d) p(11 < x < 14) e) p(11 < x < 14)

Write a problem for the equation 0.5n=12.5. then solve the equation and write the answer to your problem.