Dvds are on sale for $24 dollars each. which expression can be used to find the cost in dollars of buying 4 dvds?

Which of these sequences is a geometric sequence a 1,2,4, 7, 11, 16, 22. b. 2.4.8.14.22.38 c.3.6.9. 15.18,21 d. 3,9,27,81,243,729,

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.