Mr. and mrs. newby are
buying baby formula. each case of
formula costs $59.89. if they want to
purchase four cases, how much will
they pay? justify your answer by
using the distributive property.

(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.