Masha is creating an 6 digit password. The first two digits are a multiple of 15.

The second two digits are an odd number between 50 and 80.

The last two digits are the same.

How many possible different possible

codes could Masha create?

What is the perimeter of the rectangle below?:

Find the size of each interior angle of a

regular nonagon

A drinks dispenser holds 8 litres of fruit

juice, to the nearest litre.Each glass holds 200ml to the nearest 10ml.

Work out the greatest possible number

of glasses that can be filled.

Make m the subject of m(r + p) = r(h âˆ’ m)