Simplify: 4√40

Complete the square: 5x² - 60x + 9

Find area of triangle: a = 28cm, b = 18cm, angle = 79°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 86, 20, 16, 43, 19, 38, 51, 34. Give your answer to 2 decimal places

Simplify: 2√112

Complete the square: x² + 9x + 8

Find area of triangle: a = 22cm, b = 15cm, angle = 69°. 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: 30, 40, 20, 23, 43, 64, 53, 13, 40. Give your answer to 2 decimal places

Simplify: √352

Complete the square: x² - 5x - 1

Find area of triangle: a = 14cm, b = 26cm, angle = 80°. Give your answer to 2 decimal places

a:b is 4:9 and b:c is 8:5. Find a:b:c in its simplest form.

Find the mean, median and range of: 13, 55, 39, 67, 15, 29, 39, 32. Give your answer to 2 decimal places

Simplify: √252

Complete the square: x² - 9x - 2

Find area of triangle: a = 19cm, b = 26cm, angle = 57°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 84, 98, 92, 64, 13, 23, 21. Give your answer to 2 decimal places

Simplify: √864

Complete the square: x² + x - 1

Find area of triangle: a = 12cm, b = 15cm, angle = 73°. Give your answer to 2 decimal places

a:b is 1:5 and b:c is 9:7. Find a:b:c in its simplest form.

Find the mean, median and range of: 57, 23, 59, 98, 79, 20, 82, 64