Simplify: √150

Complete the square: x² + 7x + 9

Find area of triangle: a = 21cm, b = 24cm, angle = 73°. Give your answer to 2 decimal places

a:b is 7:9 and b:c is 7:1. Find a:b:c in its simplest form.

Find the mean, median and range of: 87, 43, 78, 48, 75, 52, 15, 56, 57. Give your answer to 2 decimal places

Simplify: 3√275

Complete the square: x² + 9x + 4

Find area of triangle: a = 19cm, b = 14cm, angle = 42°. Give your answer to 2 decimal places

a:b is 4:5 and b:c is 9:7. Find a:b:c in its simplest form.

Find the mean, median and range of: 100, 76, 72, 45, 76, 27, 23, 87, 63. Give your answer to 2 decimal places

Simplify: √275

Complete the square: x² + 9x + 10

Find area of triangle: a = 27cm, b = 20cm, angle = 76°. Give your answer to 2 decimal places

a:b is 4:7 and b:c is 8:3. Find a:b:c in its simplest form.

Find the mean, median and range of: 35, 96, 46, 67, 18, 81, 46. Give your answer to 2 decimal places

Simplify: √640

Complete the square: x² - x + 2

Find area of triangle: a = 13cm, b = 19cm, angle = 69°. Give your answer to 2 decimal places

a:b is 1:4 and b:c is 5:2. Find a:b:c in its simplest form.

Find the mean, median and range of: 21, 45, 27, 35, 62, 78, 83, 39, 46. Give your answer to 2 decimal places

Simplify: √720

Complete the square: 3x² - 12x + 3

Find area of triangle: a = 20cm, b = 18cm, angle = 57°. Give your answer to 2 decimal places

a:b is 2:7 and b:c is 3:4. Find a:b:c in its simplest form.

Find the mean, median and range of: 39, 33, 66, 32, 32, 50, 40, 72