A) simplify 4 x 5p

b) simplify 9y-6y + y

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

I’m which figure is point g an orthocenter

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0