Simplify square root of five times square root of eight. two square root of ten four square root of ten square root of forty square root of thirteen

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32

Could someone me with this question i’ve been stuck on it for 20 minutes