Simplify: √539

Complete the square: 5x² - 60x + 10

Find area of triangle: a = 21cm, b = 28cm, angle = 45°. Give your answer to 2 decimal places

a:b is 2:9 and b:c is 2:9. Find a:b:c in its simplest form.

Find the mean, median and range of: 11, 55, 70, 77, 75, 76, 18, 57, 52. Give your answer to 2 decimal places

Simplify: 5√50

Complete the square: x² + 7x + 3

Find area of triangle: a = 13cm, b = 20cm, angle = 80°. Give your answer to 2 decimal places

a:b is 1:3 and b:c is 8:7. Find a:b:c in its simplest form.

Find the mean, median and range of: 20, 24, 100, 57, 64, 77, 35, 56, 47. Give your answer to 2 decimal places

Simplify: 3√80

Complete the square: 3x² - 18x - 4

Find area of triangle: a = 30cm, b = 28cm, angle = 40°. Give your answer to 2 decimal places

a:b is 4:3 and b:c is 4:9. Find a:b:c in its simplest form.

Find the mean, median and range of: 92, 16, 20, 13, 45, 22, 86

Simplify: √490

Complete the square: x² - 9x

Find area of triangle: a = 21cm, b = 19cm, angle = 50°. Give your answer to 2 decimal places

a:b is 5:3 and b:c is 5:8. Find a:b:c in its simplest form.

Find the mean, median and range of: 74, 75, 40, 68, 47, 72, 36, 27. Give your answer to 2 decimal places

Simplify: √108

Complete the square: x² - x + 8

Find area of triangle: a = 25cm, b = 27cm, angle = 77°. Give your answer to 2 decimal places

a:b is 6:5 and b:c is 2:3. Find a:b:c in its simplest form.

Find the mean, median and range of: 58, 52, 91, 72, 30, 29, 25