Find the center and the radius of the circle with the equation: x^2-2x y^2 4y 1=0
a. center: (1, 2) radius: 4
b. center: (2, -4) radius: 1
c. center: (1, 2) radius: 2
d. center: (1, -2) radius: 2

An alternative to car buying is to make monthly payments for a period of time, and then return the vehicle to the dealer, or purchase it. this is called

Which is f(5) for the function –2x2 + 2x - 3?

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.