Diagonals of a parallelogram ABCD intersect at O. If∠BOC = 90º and ∠BDC = 50º, then ∠OAB is (A) 90º (B) 50º (C) 40º (D) 10º

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

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

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.