The distance traveled at a constant speed is directly proportional to the time of travel. if olivia traveled 170 miles in 8.5 hours, how many miles will olivia travel in 7.9 hours at the same constant speed?

(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.