Simplify: √490

Complete the square: 2x² - 16x + 4

Find area of triangle: a = 30cm, b = 28cm, angle = 49°. Give your answer to 2 decimal places

a:b is 2:9 and b:c is 4:7. Find a:b:c in its simplest form.

Find the mean, median and range of: 76, 68, 18, 70, 53, 16, 21

Simplify: 3√150

Complete the square: x² - 9x - 3

Find area of triangle: a = 18cm, b = 30cm, angle = 70°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 72, 35, 20, 98, 61, 80, 85. Give your answer to 2 decimal places

Simplify: √539

Complete the square: 2x² + 4x - 5

Find area of triangle: a = 29cm, b = 26cm, angle = 71°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 70, 17, 39, 41, 62, 95, 33, 71, 84. Give your answer to 2 decimal places

Simplify: √275

Complete the square: x² - x + 9

Find area of triangle: a = 14cm, b = 30cm, angle = 75°. Give your answer to 2 decimal places

a:b is 2:3 and b:c is 4:1. Find a:b:c in its simplest form.

Find the mean, median and range of: 94, 34, 11, 97, 33, 51, 29, 70. Give your answer to 2 decimal places

Simplify: 5√18

Complete the square: 4x² - 16x - 9

Find area of triangle: a = 30cm, b = 25cm, angle = 71°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 48, 27, 59, 19, 89, 10, 39. Give your answer to 2 decimal places