The human brain weighs about 1 lb for each 40 lb of body weight. What is the approximate weight, to the nearest ounce, of the brain of a person weighing 185 lb.?

Atriangle has side lengths of 15 inches and 30 inches. it also has angles that measure 45º and 20º. which of the following identifies the possible third angle of the triangle? a. 15 in., 65º b. 45 in., 65º c. 17 in., 115º d. 14 in., 115º

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

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