Using divisibility test, determine which of the following numbers are divisible by 11: a) 10600601 b) 169308 c) 434434 pls soon and i will give 5 points for answering and the good answer brainliest i will give!​

I need a, b and c correct answer with explanation for each

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If chord ab is congruent to chord cd, then what must be true about ef and eg?

Given sin∅ = 1/3 and 0 < ∅ < π/2 ; find tan2∅ a. (4√2)/9 b. 9/7 c. (4√2)/7 d.7/9

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min