What number should go in the box 14295=10000+4000+box+90+5

2x minus y equals 6, x plus y equals negative 3

(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.