A) Use your calculator to work out the exact value of
13822 x 623
14
b) Using approximations to 1 significant figure, check that your answer
to part a) makes sense.

The sketch shows two parallel lines cut by a transversal. angle 2 2 is 36° 36 ° . what is the measure of angle 8 8 ?

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).