A family uses their TV for 5 hours a day on average. How much CO2 does their TV cause to be emitted in usage (213 W/hr) AND in stand-by power (3.06 W/hr) combined for 3 months?

I'm being volume of cylinder with 13 in. radius and 30 in height answer choices in pic

What is the solution of sqrt x+2-15=-3

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