Simplify: √128

Complete the square: 2x² - 20x + 13

Find area of triangle: a = 20cm, b = 30cm, angle = 70°. Give your answer to 2 decimal places

a:b is 1:4 and b:c is 3:2. Find a:b:c in its simplest form.

Find the mean, median and range of: 27, 77, 51, 89, 16, 26, 84, 21, 14

Simplify: √320

Complete the square: x² - 9x + 12

Find area of triangle: a = 19cm, b = 27cm, angle = 61°. Give your answer to 2 decimal places

a:b is 5:6 and b:c is 8:9. Find a:b:c in its simplest form.

Find the mean, median and range of: 80, 45, 21, 13, 28, 28, 99. Give your answer to 2 decimal places

Simplify: 4√150

Complete the square: x² + 5x + 5

Find area of triangle: a = 14cm, b = 26cm, angle = 69°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 57, 54, 100, 82, 92, 68, 32. Give your answer to 2 decimal places

Simplify: √175

Complete the square: x² - 9x - 1

Find area of triangle: a = 26cm, b = 12cm, angle = 74°. Give your answer to 2 decimal places

a:b is 1:2 and b:c is 5:4. Find a:b:c in its simplest form.

Find the mean, median and range of: 17, 94, 30, 31, 13, 38, 32, 63, 99. Give your answer to 2 decimal places

Simplify: √810

Complete the square: 4x² + 32x - 2

Find area of triangle: a = 21cm, b = 24cm, angle = 78°. Give your answer to 2 decimal places

a:b is 5:7 and b:c is 5:2. Find a:b:c in its simplest form.

Find the mean, median and range of: 40, 36, 31, 46, 63, 39, 30, 64, 54. Give your answer to 2 decimal places