Rick paints the four walls in a room that is 12 ft long and 10 ft wide. The ceiling in the room is 8 ft from the floor. The doorway is 3 ft by 7ft. and the window is 6 ft by 5 ft. if Rick does NOT paint the doorway or window, what is the approximate area that he paints?

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

Mr. lash has 42 pounds of dog food to divide among his dogs. if each dog receives 7/8 pounds of food for each feeding, how many times can mr. lash feed his animals?