What is 5/6 - 3/8 plz help

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

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

Which expression is equivalent to 3^3 + 2^2?