When running a half marathon it took Ian 7 minutes to run from mile marker 1 to mile marker 2, and 20 minutes to run from mile marker 2 to 4

Q1 which of the following is a factor of a)37 b)53 c)62 d)82 q2) if the sum of 2016 different whole numbers is odd. at most how many of the numbers can be even a)0 b)1 c)2014 d)2015

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer

Find the quotient. 50a2 – 98b2 -5a +7b