Simplify: 4√20

Complete the square: x² + 3x - 6

Find area of triangle: a = 28cm, b = 30cm, angle = 66°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 60, 36, 25, 92, 46, 86, 46, 12. Give your answer to 2 decimal places

Simplify: 3√45

Complete the square: x² - 3x - 4

Find area of triangle: a = 24cm, b = 12cm, angle = 46°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 88, 11, 24, 63, 62, 53, 34, 61

Simplify: √540

Complete the square: 5x² - 40x + 11

Find area of triangle: a = 25cm, b = 28cm, angle = 57°. Give your answer to 2 decimal places

a:b is 1:6 and b:c is 5:2. Find a:b:c in its simplest form.

Find the mean, median and range of: 58, 74, 42, 21, 31, 66, 43. Give your answer to 2 decimal places

Simplify: √896

Complete the square: x² + 7x - 12

Find area of triangle: a = 22cm, b = 23cm, angle = 69°. Give your answer to 2 decimal places

a:b is 1:2 and b:c is 9:8. Find a:b:c in its simplest form.

Find the mean, median and range of: 88, 87, 75, 12, 15, 58, 39. Give your answer to 2 decimal places

Simplify: √550

Complete the square: 4x² + 24x - 7

Find area of triangle: a = 19cm, b = 28cm, angle = 41°. Give your answer to 2 decimal places

a:b is 4:5 and b:c is 7:6. Find a:b:c in its simplest form.

Find the mean, median and range of: 75, 41, 18, 46, 12, 30, 17, 85