Which equation is in standard form? a) 2=-x+8 b) x+2y=8 c) x=-2y+8

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second