Find the equation to the line below.
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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? *

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air

Prove that 16^4-2^13-4^5 is divisible by 11.