From a thin piece of cardboard 10 in by 10 in, square comers are cut out so that the sides can be folded up to make a box. What dimensions will yield a box of maximum volume? What is the maximum volume? Round to the nearest tenth, if necessary.
A. 6.7 in x 6.7 in x 3.3 in; 148.1 in^3
B. 5.0 in 5.0 in x 2.5 in; 62.5 in^3
C. 6.7 in x6.7 in x 1.7 in: 74.1 in^3
D. 3.3 in x 3.3 in x 3.3 in: 37.0 in
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What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches. approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *

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