Daily Practice - Higher

Four classes in order have frequencies 10, 9, 4, 10. Write down the cumulative frequency at the end of the third class.

Write √8 in the form a √b, where b is as small as possible.Write sqrt(8) in the form a sqrt(b), where b is as small as possible.

A region is defined by y < -5x + 7. Should the boundary line be solid or dashed, and why?

A block has volume 60 cm³ and density 7.5 g/cm³. Work out its mass.A block has volume 60 cm^3 and density 7.5 g/cm^3. Work out its mass.

A cone has base radius 9 cm and vertical height 24 cm. Work out its volume, leaving your answer in terms of π.A cone has base radius 9 cm and vertical height 24 cm. Work out its volume, leaving your answer in terms of pi.