Find C. Round to the nearest tenth.
20 ft
22 ft
A
B
18 ft
C = [? ]
Law of Cosines : c2 = 22 + b2 - 2ab cos C
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Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

Sum is 17 and their difference is 3

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?