The following system of equations is shown below. What is the x value to the solution to this system?
2x + 3y = 4
x - y = -3

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.