The minimum wage in 2014 was £6.50 an hour for people aged 21 and
over. In 2017 this increased to £7.50.
Work out the percentage change.
Give your answer correct to 1
decimal place.

Use the net as an aid to compute the surface area of the triangular prism. a) 550 m2 b) 614 m2 c) 670 m2 d) 790 m2

The table shows the age and finish time of ten runners in a half marathon. identify the outlier in this data set. drag into the table the ordered pair of the outlier and a reason why that point is an outlier.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).