The dimensions of a rectangular school hall are as follows: Length (4k + 3) metres Width (2k-1) metres a) Draw a diagram to show the dimensions of the hall b) Find the floor area of the school hall in terms of k​

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