Simplify: √847

Complete the square: x² + 11x + 6

Find area of triangle: a = 20cm, b = 20cm, angle = 74°. Give your answer to 2 decimal places

a:b is 3:5 and b:c is 7:5. Find a:b:c in its simplest form.

Find the mean, median and range of: 30, 46, 85, 31, 99, 75, 24, 12, 20. Give your answer to 2 decimal places

Simplify: 2√175

Complete the square: 4x² + 8x + 9

Find area of triangle: a = 20cm, b = 21cm, angle = 63°. Give your answer to 2 decimal places

a:b is 2:9 and b:c is 7:6. Find a:b:c in its simplest form.

Find the mean, median and range of: 78, 57, 79, 59, 96, 72, 41, 47, 68. Give your answer to 2 decimal places

Simplify: √80

Complete the square: x² - x + 1

Find area of triangle: a = 25cm, b = 29cm, angle = 42°. Give your answer to 2 decimal places

a:b is 6:7 and b:c is 3:7. Find a:b:c in its simplest form.

Find the mean, median and range of: 97, 25, 81, 11, 56, 82, 79. Give your answer to 2 decimal places

Simplify: √272

Complete the square: x² + 5x + 8

Find area of triangle: a = 18cm, b = 22cm, angle = 80°. Give your answer to 2 decimal places

a:b is 9:8 and b:c is 3:4. Find a:b:c in its simplest form.

Find the mean, median and range of: 28, 31, 31, 92, 40, 58, 85. Give your answer to 2 decimal places

Simplify: √960

Complete the square: x² + x - 8

Find area of triangle: a = 23cm, b = 13cm, angle = 49°. Give your answer to 2 decimal places

a:b is 1:4 and b:c is 7:8. Find a:b:c in its simplest form.

Find the mean, median and range of: 45, 78, 10, 61, 26, 69, 51, 36