What is the expression when x= -2 and y = -3 10x^3y^2

Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm.dist(80,475,33,1) =norm.inv(0.80,475,33) =norm.s.inv((80-475)/33)?

Which best explains why this triangle is or is not a right triangle?

Find the solution(s) to x^2-14+49=0