Anika works as a chef. She is baking cakes which are 25 cm in diameter.

How many tins can she fit on this tray at the same time?

cake tins

an image

At school there are 526 students and 263 are girls about how likely is it that a randomly chosen student will be a boy

Which of the following of the following sets of side lengths could not form a triangle?

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.