Find the area of the region between the curves y=12-x^2 and y=x^2-6

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)

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

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?