I think it is 9 6/9 but im not quite sure .
Answer: 
Step-by-step explanation:
Given
Vertex of the parabola 
Focus of the parabola 
As the x coordinate of vertex and focus is same and focus lie below the vertex, therefore the parabola is the type of

distance between Vertex and focus is 1 unit

Parabola becomes

Answer: £210
Step-by-step explanation:
you do the cm they given you so if it’s 630cm x 120cm = 75,600
30cm x 30cm = 900cm
75,600 divided by 900 = 84
£2.50 x 84 = £210
Answer:3*78=234
Step-by-step explanation:
2x + y = 13
y = x - 5
2x + x - 5 = 13
3x - 5 = 13
3x = 18
x = 6
y = x - 5
y = 6 - 5
y = 1
The solution is (6,1)