there are 22 players on a football pitch
A coach is going to choose at random 2 of the players
work out the number of different...
Factorize :
ax^3 + 2ax^2- 3ax + bx^2 + 2bx - 3b
a area of rectangle 1 =
3x-21/x-1
Find the total surface area of a hemisphere of radius 10 cm. (Use π = 3.14)
2^64 < 10^18
x(x-2)+x+2x+8=60
what is the square root of 25
-6x- y + 5z=1
-3x+2y-2z=3
-8x+6y-4z=7