Simplify: 4√90

Complete the square: x² - 7x + 7

Find area of triangle: a = 23cm, b = 23cm, angle = 53°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 64, 56, 68, 58, 55, 44, 81, 62, 38. Give your answer to 2 decimal places

Simplify: 3√48

Complete the square: x² - 3x + 5

Find area of triangle: a = 13cm, b = 24cm, angle = 59°. Give your answer to 2 decimal places

a:b is 8:7 and b:c is 9:2. Find a:b:c in its simplest form.

Find the mean, median and range of: 43, 80, 35, 27, 88, 80, 32, 65, 76. Give your answer to 2 decimal places

Simplify: √432

Complete the square: 5x² - 40x - 4

Find area of triangle: a = 29cm, b = 14cm, angle = 58°. Give your answer to 2 decimal places

a:b is 7:4 and b:c is 5:8. Find a:b:c in its simplest form.

Find the mean, median and range of: 73, 23, 98, 19, 100, 83, 62, 45. Give your answer to 2 decimal places

Simplify: √240

Complete the square: 5x² + 20x - 11

Find area of triangle: a = 30cm, b = 27cm, angle = 71°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 64, 20, 58, 67, 79, 92, 33, 97

Simplify: 3√20

Complete the square: x² - 3x + 8

Find area of triangle: a = 16cm, b = 16cm, angle = 76°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 23, 42, 43, 64, 14, 23, 62. Give your answer to 2 decimal places