Sides of three square rooms measure 13 feet each and sides or two square rooms measure 15 feet each which expression shows the total area of these five rooms

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?

7+(3n++8) what is the answer to this?

Round each of the decimals to the nearest hundredth a. 0.596 b. 4.245 c. 53.6843 d. 17.999