8,x,2,y are terms in GP. Find (a) x & y (b) the sum of the first 20 terms.

Factor the expression. 4d + 12 __ (d +

For the equations below which statement is true ?

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?