The weight of a dolphin increased by 17% when it became pregnant. What is the approximate pregnant weight of the dolphin if it was 278 lbs. before it became pregnant? Round to the nearest tenth of a pound.

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

The price of a visit to the dentist is calculated according to the formula 50+100n50+100n where nn is the number of cavities the dentist finds. on your last visit to the dentist, 22 cavities were found. what was the cost of your visit?

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.