What is the value of 3 x squared minus 5 x y + 5 y squared for x = negative 6 and y = 2? -68
-4
188
208

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

Aline parallel to a triangle's side splits ab into lengths of x - 5 and x + 2. the other side, ac, is split into lengths of x and x + 12. what is the length of ac? a) 12 b) 24 c) 36 d)

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