Simplify the given expression:
(_5 + 3i) ´ (1 _ 2i)
i've been having trouble with i use foil and then combine like terms but the answer i come up with is never an option. these are my four options the closest one to my answer is the second one.
_5 _ 6i
1 + 13i
2 + i
4 _ 5i

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.

Evaluate the expression. (9 + 5)(3 + 2)0

What is the distance between point a and b