V = u + at
2.8 = u + a*8.5
2.8 = u + 8.5a
s = ut + 0.5at^2
40 = u*8.5 + 0.5*a*8.5^2
40 = 8.5u + 36.125a
(2.8 = u + 8.5a) * 8.5
23.8 = 8.5u + 72.25a
Subtract those equations
16.2 = - 36.125a
a = 0.448
2.8 = u + (8.5*-0.448)
2.8 = u - 3.8
u = 6.6 m/s
Assuming the original price was £1.00
the answer is C) 0.60p
D . A cube that is 1 inch long , 1inch wide and 1 inch high .

Answer
its a cube whose side is 1 unit long .
And total surface area should be 6 square units .
as we can see
Square of five = 5^2 = 5 x 5 = 25
answer
c) 25