Emily and sarah had a total of$80. after sarah spent 1/3 of her money and emily spent $17, emily had twice as much money as sarah. how much more money did emily have at first?

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

What is the distance between point a and b

(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.