Simplify each expression.
(4 - 2i) - (-3 + i)

Acylinder has volume 45π and radius 3. what is it’s height?

Math each whole number with a rational, exponential expression

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost