Mr. brown is creating examples of systems of equations. he wants to have a system of equations with infinite solutions that includes the equation 5x + 2y = 8. which equation could mr. brown use to complete the system so that it has infinite solutions?
a. 2x + 5y = 8
b. 15x + 6y = 21
c. 1.25x +0.5y = 2
d. 6.5x + 3.5y = 9.5

Shiny white dental insurance costs $258 per year. approximately one-third of insured people need a filling, which averages $110 each. 80% of insured people get a preventive check-up each year, and the average cost of this visit is $95. if you consider shiny white’s income and expenses, what is the expected value of each insured customer?

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )

If you have the following equation, 2/3x+5/6-x=2-3/4x what would you multiply each term by to get rid of all the fractions