Simplify: 4√99

Complete the square: x² - 3x - 1

Find area of triangle: a = 25cm, b = 28cm, angle = 51°. Give your answer to 2 decimal places

a:b is 8:7 and b:c is 5:1. Find a:b:c in its simplest form.

Find the mean, median and range of: 78, 33, 35, 61, 18, 68, 87, 54

Simplify: √160

Complete the square: x² + 7x + 9

Find area of triangle: a = 22cm, b = 16cm, angle = 74°. Give your answer to 2 decimal places

a:b is 9:2 and b:c is 5:6. Find a:b:c in its simplest form.

Find the mean, median and range of: 75, 43, 100, 57, 68, 10, 76, 94. Give your answer to 2 decimal places

Simplify: √75

Complete the square: x² + 9x - 10

Find area of triangle: a = 28cm, b = 28cm, angle = 66°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 79, 74, 37, 51, 91, 78, 62, 62, 45. Give your answer to 2 decimal places

Simplify: 2√40

Complete the square: 5x² - 50x + 14

Find area of triangle: a = 28cm, b = 21cm, angle = 57°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 12, 38, 18, 72, 50, 77, 41

Simplify: √304

Complete the square: 3x² + 18x + 12

Find area of triangle: a = 17cm, b = 12cm, angle = 59°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 98, 62, 93, 100, 59, 65, 67, 83, 25. Give your answer to 2 decimal places