On a math test a student, Jake, has to identify all the coefficients and constants of the expression 6+b+9n, Jake says that 9 is a coefficient and 6 is a constant Identify all the
coefficients and constants of the expression. What error might Jake have made?

Answer quick plz

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