Which has more mass, a thousand kilograms of feathers or a thousand kilograms of steel? Explain your reasoning.

A gallon of paint covers 400 ft2 . You want to paint a wall that measures 274,315 in2. How many gallons of paint will you need to buy?

You have been tasked with the construction of an aluminum box with a square base and an open top. Using no more than 730 square centimeters of aluminum, what is the largest possible volume your box can contain? Volume =

The weight of the air pushing down on you at sea level is 14.7 lbs per square inch.  If your ruler is 12 square inches how many pounds (lbs) of air do you need to lift up?

Your potato salad recipe yields 5 1/2 lb. What is the portion size in ounces if you serve 28 people? Round your answer to whole ounces.

The recommended dosage of a certain antibiotic is 25mg/kg*day. Jill is sick and she currently weighs 150 lbs. This drug is dispensed in tablets where 1 tablet has 250 mg of medicine a. Find her weight in the correct units. (If necessary, round to the nearest tenth) b. How many mg of this drug should Jill receive per day? (If necessary, round to the nearest tenth) c. How many tablets will Jill have to take per day? Round to the nearest whole number.

How many cups is 300 grams of sugar?

A rectangular fish tank 120 cm long, 70 cm wide, and 45 cm high. The artificial reefs, rocks, and miscellaneous other items take up 34,000 cubic centimeters of space. How much volume remains for the water? Choose the correct answer below. A. 3,180 cu. cm. OB. 344,000 cu. cm. OC. 412,000 cu. cm. OD. 378,000 cu.cm

Susie needs 30 calories per kg of her body weight. She weighs 156lbs. How many calories does she need?

If a rectangular garden is 6 feet long and 4 feet wide and there are 10 vegetables planted; what is the density of vegetable plants in the garden? 2.53 vegetable plants per square foot. 0.42 vegetable plants per square foot. 2.40 vegetable plants per square foot. 1.61 vegetable plants per square foot.