Will give brainliest for correct answer

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

Savannah had 40 iris blooms last year this year she had 15% more iris blooms how many more hours blooms did savannah have this year

Which statement best describes how to determine whether f(x) = x squared- x +8 is an even function ?