Simplify: √550

Complete the square: 5x² + 60x

Find area of triangle: a = 20cm, b = 19cm, angle = 77°. Give your answer to 2 decimal places

a:b is 3:2 and b:c is 7:8. Find a:b:c in its simplest form.

Find the mean, median and range of: 99, 58, 64, 66, 97, 84, 88, 65. Give your answer to 2 decimal places

Simplify: √245

Complete the square: 2x² + 8x - 4

Find area of triangle: a = 14cm, b = 25cm, angle = 80°. Give your answer to 2 decimal places

a:b is 9:5 and b:c is 8:3. Find a:b:c in its simplest form.

Find the mean, median and range of: 86, 69, 72, 27, 56, 90, 93, 28, 44. Give your answer to 2 decimal places

Simplify: √243

Complete the square: x² + 3x + 9

Find area of triangle: a = 15cm, b = 25cm, angle = 54°. Give your answer to 2 decimal places

a:b is 2:7 and b:c is 8:1. Find a:b:c in its simplest form.

Find the mean, median and range of: 86, 84, 38, 31, 60, 10, 29, 56

Simplify: √304

Complete the square: x² - 5x - 3

Find area of triangle: a = 28cm, b = 15cm, angle = 65°. Give your answer to 2 decimal places

a:b is 7:4 and b:c is 3:1. Find a:b:c in its simplest form.

Find the mean, median and range of: 63, 42, 60, 50, 99, 81, 23. Give your answer to 2 decimal places

Simplify: √208

Complete the square: 5x² - 20x

Find area of triangle: a = 26cm, b = 15cm, angle = 51°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 38, 73, 62, 72, 46, 55, 40, 90, 75. Give your answer to 2 decimal places