Simplify: 5√80

Complete the square: x² - 7x + 6

Find area of triangle: a = 20cm, b = 20cm, angle = 41°. Give your answer to 2 decimal places

a:b is 5:4 and b:c is 9:1. Find a:b:c in its simplest form.

Find the mean, median and range of: 87, 47, 48, 46, 75, 41, 37, 83

Simplify: 3√275

Complete the square: x² - 11x - 9

Find area of triangle: a = 22cm, b = 24cm, angle = 49°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 51, 69, 12, 24, 24, 50, 74. Give your answer to 2 decimal places

Simplify: √686

Complete the square: x² - 3x - 12

Find area of triangle: a = 19cm, b = 16cm, angle = 50°. Give your answer to 2 decimal places

a:b is 9:5 and b:c is 7:1. Find a:b:c in its simplest form.

Find the mean, median and range of: 97, 95, 60, 24, 42, 40, 88. Give your answer to 2 decimal places

Simplify: √891

Complete the square: x² + 5x + 2

Find area of triangle: a = 28cm, b = 14cm, angle = 60°. Give your answer to 2 decimal places

a:b is 7:8 and b:c is 5:8. Find a:b:c in its simplest form.

Find the mean, median and range of: 60, 55, 61, 65, 83, 62, 11. Give your answer to 2 decimal places

Simplify: 2√20

Complete the square: x² - 11x

Find area of triangle: a = 22cm, b = 19cm, angle = 48°. Give your answer to 2 decimal places

a:b is 5:4 and b:c is 7:4. Find a:b:c in its simplest form.

Find the mean, median and range of: 23, 31, 54, 51, 60, 98, 81. Give your answer to 2 decimal places