Select the correct answer.
Which expression is equivalent to this polynomial?

x2 + 12

What is the value of r of the geometric series?

Is there an x intercept in the equation 60*1.15^x

(c) the diagram shows the first three shapes of a matchsticks arrangement. first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.