In which of these pairs of numbers is 1.75 greater than the first number but smaller than the second number? Options:

1 9/10 and 2

1 and 3/2

3/2 and 1 9/10

0 and 1

I suck at math, please help :)

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio