When x increases from a to a + 2, y increases by a factor of
1
4
.

For which functions is this statement true?
A) y = 3(2)x
B) y = 2x + 5
C) y = 7(0.5)x
D) y =
1
2
x - 4

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11

(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.

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume