Solve the following equation -3(3 + 6b) = 36 +3b

The floor plan of a room has a scale of 2.5 in.: 35 ft. in the drawing, the length of the room is 8 in. and the width of the room is 6 in. what is the perimeter of the actual room?

Which value of c would make he following expression completely factored? 8x+cy

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?