Dave bowers collects us gold coins he has a collection of 53 coins some are $10 coins, and the rest are $20 coins lf the face value of the coins is $750, how many of each denomination does he have?

Which is the completely factored from of xy^3-x^3y

Which is an equation of a circle with center (2, 7) and radius 4? (x - 7)2 + (y - 2)2 = 16 (x - 2)2 + (y - 7)2 = 4 (x – 2)2 + (y - 7)2 = 16 (x + 2)2 + (y + 7)2 = 4

When creating passwords for secure accounts, which of the following rules should you apply? a.use personal information that is easy to remember.use a variety of letters, numbers and characters.use a sequence or pattern of numbersd.use the same password for all accounts