it is known that a, b ,n are positive integers and that the first three terms in the binominal expansion of (a+b)^n are 729, 2916 and 4860. find the value of b​

Angela rode his bike around a bike trail that was 1/4 of a mile long he rode his bike around the trail 8 * angelo says he wrote a total of 8/4 miles to russell says he's wrong and he actually and says that he actually wrote to my who is corrupt use words and trying to explain how you know.

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab

Ineed the solution to this problem and the steps.