A car company uses the table below to show customers the approximate amount of gas used when a car has been driven a certain number of miles. Gas Use
Miles driven
Gallons of gasoline used
120
6
300
15
360
18
480
?

If the car always uses the same amount of gasoline each mile, how many gallons of gasoline would be needed to travel 480 miles?
20
24
33
39

(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.