Simplify the expression.
(1 – 5i) + (2 + 41)

Average salary for a medical assistant is $31,220 which is a 20% income tax bracket how much money would they pay in income tax?

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

What is the solution set of the quadratic inequality x^2-5< or equal to 0