a jacket originally sold for $45. this week it went on sale for 20% off. what is the discount and what is the sales price?

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab