If 14 out of 20 students are male, what percentage of the class is male

You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?

Combine like terms to make a simpler expression 3z+z

Using elimination, what is -4x+2y=-12 4x+8y=-24