If 2a^2 +3^1a - 5a^2= 9, then a-a^2=

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3

Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b.false

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.