What is the image of the point (4,9) after a rotation of 180° counterclockwise about
the origin?

Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?

Abank manager wants to encourage new customers to open accounts with principals of at least $2 comma 500. he decides to make a poster advertising a simple interest rate of 3%. what must the principal be if the bank manager also wants to advertise that one can earn $10 the first month? can the poster correctly say, "open an account of $2 comma 500 and earn at least $10 interest in 1 month! "?

X=-3y-5 3x+9y=7 how can u solve this?