17 have eco
In
class 35 students
taken maths 284 %
have taken
maths but not conomics. If each
students has taken at least one
stebjects
find the number of students who
have taken economics but not maths.

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be able to prepare using the sauce?

(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.