A bag contains 25 cookies. There are 15 choc. chip , and 7 peanut butter cookies and the rest are oatmeal raisin cookies. What is the probability of randomly choosing a choc. chip or peanut butter cookie from the bag?

Find the area of the shaded region.

What is the slope-intercept from of the equation y+5=4(x+8)?

Abank manager wants to encourage new customers to open accounts with principals of at least $2,500. 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! "?