A computer service firm charges ₵98 per month for an on-site maintenance contract. If no maintenance contract is in place, the firm charges ₵432 for an on-site visit. How many call-outs per year would make the maintenance contract worthwhile? *

(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.

Tom drove 206 miles in 3.9 hours. estimate his average speed.

If i purchase a product for $79.99 and two accessories for 9.99 and 7.00 how much will i owe after taxes applies 8.75%