For spring break this year your family decided to visit michigan, but it snows the first weekend you are there. you decide to make a snowman. if the bottom ball is 3 feet across, the middle ball is 2 feet across, and the top is 1 foot across, how much snow is needed to build the whole snowman? round your answer to the nearest cubic foot.
a)
19 cubic feet of snow
b)
31 cubic feet of snow
c)
511 cubic feet of snow
d)
1022 cubic feet of snow

Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?