Simplify: 4√63

Complete the square: x² - 9x + 7

Find area of triangle: a = 25cm, b = 26cm, angle = 40°. Give your answer to 2 decimal places

a:b is 3:5 and b:c is 8:1. Find a:b:c in its simplest form.

Find the mean, median and range of: 41, 95, 12, 10, 96, 44, 88, 83, 64. Give your answer to 2 decimal places

Simplify: √490

Complete the square: 3x² + 30x - 13

Find area of triangle: a = 24cm, b = 26cm, angle = 54°. Give your answer to 2 decimal places

a:b is 1:5 and b:c is 8:1. Find a:b:c in its simplest form.

Find the mean, median and range of: 15, 35, 11, 90, 51, 97, 72, 12. Give your answer to 2 decimal places

Simplify: √160

Complete the square: x² + 5x + 2

Find area of triangle: a = 28cm, b = 13cm, angle = 76°. Give your answer to 2 decimal places

a:b is 2:7 and b:c is 3:4. Find a:b:c in its simplest form.

Find the mean, median and range of: 86, 97, 75, 95, 26, 48, 32, 23

Simplify: √500

Complete the square: x² + 5x + 11

Find area of triangle: a = 21cm, b = 16cm, angle = 75°. Give your answer to 2 decimal places

a:b is 5:8 and b:c is 9:2. Find a:b:c in its simplest form.

Find the mean, median and range of: 42, 21, 41, 75, 68, 94, 30, 39, 39. Give your answer to 2 decimal places

Simplify: 2√44

Complete the square: 3x² + 6x - 5

Find area of triangle: a = 12cm, b = 22cm, angle = 50°. Give your answer to 2 decimal places

a:b is 9:2 and b:c is 5:7. Find a:b:c in its simplest form.

Find the mean, median and range of: 47, 69, 37, 99, 37, 53, 38. Give your answer to 2 decimal places