Simplify: 2√160

Complete the square: x² - 9x - 5

Find area of triangle: a = 20cm, b = 13cm, angle = 76°. Give your answer to 2 decimal places

a:b is 6:7 and b:c is 9:7. Find a:b:c in its simplest form.

Find the mean, median and range of: 70, 65, 23, 53, 63, 56, 95. Give your answer to 2 decimal places

Simplify: √425

Complete the square: x² + 5x + 9

Find area of triangle: a = 12cm, b = 22cm, angle = 55°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 21, 22, 67, 74, 62, 65, 94, 75

Simplify: 5√160

Complete the square: 4x² - 16x - 1

Find area of triangle: a = 24cm, b = 26cm, angle = 44°. Give your answer to 2 decimal places

a:b is 7:4 and b:c is 7:3. Find a:b:c in its simplest form.

Find the mean, median and range of: 25, 64, 64, 45, 60, 93, 67, 86, 79. Give your answer to 2 decimal places

Simplify: √833

Complete the square: 4x² + 32x - 11

Find area of triangle: a = 24cm, b = 19cm, angle = 55°. Give your answer to 2 decimal places

a:b is 8:9 and b:c is 7:4. Find a:b:c in its simplest form.

Find the mean, median and range of: 35, 16, 96, 71, 32, 30, 89, 32. Give your answer to 2 decimal places

Simplify: √735

Complete the square: x² + x - 10

Find area of triangle: a = 27cm, b = 24cm, angle = 44°. Give your answer to 2 decimal places

a:b is 2:5 and b:c is 7:6. Find a:b:c in its simplest form.

Find the mean, median and range of: 38, 22, 48, 88, 98, 73, 69, 52, 52