The radius of the large sphere is double the radius of the
small sphere.
How many times is the volume of the large sphere than the
small sphere?

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)