Simplify: √686

Complete the square: x² - 9x - 11

Find area of triangle: a = 30cm, b = 28cm, angle = 45°. Give your answer to 2 decimal places

a:b is 7:4 and b:c is 6:1. Find a:b:c in its simplest form.

Find the mean, median and range of: 79, 25, 88, 26, 49, 18, 69. Give your answer to 2 decimal places

Simplify: √294

Complete the square: 3x² - 18x + 9

Find area of triangle: a = 22cm, b = 21cm, angle = 69°. Give your answer to 2 decimal places

a:b is 5:8 and b:c is 9:7. Find a:b:c in its simplest form.

Find the mean, median and range of: 79, 71, 95, 38, 46, 58, 50. Give your answer to 2 decimal places

Simplify: √500

Complete the square: 5x² + 10x - 2

Find area of triangle: a = 17cm, b = 30cm, angle = 76°. Give your answer to 2 decimal places

a:b is 1:6 and b:c is 7:5. Find a:b:c in its simplest form.

Find the mean, median and range of: 82, 100, 17, 60, 49, 71, 33. Give your answer to 2 decimal places

Simplify: √343

Complete the square: x² + 5x + 11

Find area of triangle: a = 16cm, b = 14cm, angle = 53°. Give your answer to 2 decimal places

a:b is 2:3 and b:c is 8:7. Find a:b:c in its simplest form.

Find the mean, median and range of: 41, 77, 51, 68, 74, 77, 51, 38, 82. Give your answer to 2 decimal places

Simplify: √150

Complete the square: x² + x + 1

Find area of triangle: a = 20cm, b = 28cm, angle = 54°. Give your answer to 2 decimal places

a:b is 1:6 and b:c is 4:9. Find a:b:c in its simplest form.

Find the mean, median and range of: 53, 79, 31, 38, 35, 40, 87, 99, 26. Give your answer to 2 decimal places