Simplify: √847

Complete the square: 2x² - 8x - 10

Find area of triangle: a = 25cm, b = 24cm, angle = 70°. Give your answer to 2 decimal places

a:b is 3:4 and b:c is 7:5. Find a:b:c in its simplest form.

Find the mean, median and range of: 84, 93, 38, 47, 40, 73, 76. Give your answer to 2 decimal places

Simplify: 2√20

Complete the square: 2x² - 8x + 12

Find area of triangle: a = 22cm, b = 14cm, angle = 78°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 80, 76, 52, 71, 97, 43, 17. Give your answer to 2 decimal places

Simplify: √475

Complete the square: 4x² - 40x - 9

Find area of triangle: a = 27cm, b = 14cm, angle = 70°. Give your answer to 2 decimal places

a:b is 1:6 and b:c is 5:3. Find a:b:c in its simplest form.

Find the mean, median and range of: 86, 74, 63, 21, 80, 84, 82

Simplify: 4√160

Complete the square: 2x² - 20x - 8

Find area of triangle: a = 28cm, b = 29cm, angle = 70°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 79, 11, 43, 75, 90, 90, 100, 88

Simplify: 2√63

Complete the square: x² + 5x

Find area of triangle: a = 18cm, b = 20cm, angle = 51°. Give your answer to 2 decimal places

a:b is 2:7 and b:c is 3:1. Find a:b:c in its simplest form.

Find the mean, median and range of: 23, 54, 74, 36, 72, 52, 17, 68