Simplify: √250

Complete the square: x² + 9x - 9

Find area of triangle: a = 22cm, b = 25cm, angle = 69°. Give your answer to 2 decimal places

a:b is 5:4 and b:c is 9:5. Find a:b:c in its simplest form.

Find the mean, median and range of: 21, 80, 72, 67, 59, 18, 31. Give your answer to 2 decimal places

Simplify: √384

Complete the square: 4x² - 24x - 6

Find area of triangle: a = 30cm, b = 24cm, angle = 77°. Give your answer to 2 decimal places

a:b is 7:6 and b:c is 8:5. Find a:b:c in its simplest form.

Find the mean, median and range of: 34, 32, 23, 14, 59, 99, 100, 82, 11. Give your answer to 2 decimal places

Simplify: √208

Complete the square: x² + x - 12

Find area of triangle: a = 16cm, b = 16cm, angle = 79°. Give your answer to 2 decimal places

a:b is 2:9 and b:c is 6:7. Find a:b:c in its simplest form.

Find the mean, median and range of: 71, 91, 36, 15, 51, 79, 14, 81

Simplify: √700

Complete the square: 2x² - 24x + 9

Find area of triangle: a = 15cm, b = 14cm, angle = 70°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 91, 87, 21, 45, 64, 71, 79. Give your answer to 2 decimal places

Simplify: 5√20

Complete the square: x² - 11x + 2

Find area of triangle: a = 14cm, b = 19cm, angle = 72°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 36, 47, 66, 25, 37, 71, 52, 89, 36