Someone help!

h-4/j = k for j

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.

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?

6cm10 cma conical paper cup has dimensions as shown in the diagram. how much water can the cup hold when full?