Here is the equation of a circle: x2 + y2 + 12x + 2y + 12 = 0 Find the center and radius of the circle.

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.