Simplify: √640

Complete the square: x² - 5x - 10

Find area of triangle: a = 19cm, b = 24cm, angle = 76°. Give your answer to 2 decimal places

a:b is 1:7 and b:c is 9:8. Find a:b:c in its simplest form.

Find the mean, median and range of: 11, 20, 93, 11, 86, 17, 58, 49. Give your answer to 2 decimal places

Simplify: 2√250

Complete the square: x² - x - 5

Find area of triangle: a = 18cm, b = 26cm, angle = 66°. Give your answer to 2 decimal places

a:b is 2:5 and b:c is 6:5. Find a:b:c in its simplest form.

Find the mean, median and range of: 29, 64, 95, 25, 61, 33, 16, 21

Simplify: √128

Complete the square: x² - 3x + 8

Find area of triangle: a = 21cm, b = 29cm, angle = 40°. Give your answer to 2 decimal places

a:b is 5:2 and b:c is 9:1. Find a:b:c in its simplest form.

Find the mean, median and range of: 28, 64, 84, 14, 31, 20, 72. Give your answer to 2 decimal places

Simplify: √272

Complete the square: 3x² - 12x - 5

Find area of triangle: a = 26cm, b = 17cm, angle = 58°. Give your answer to 2 decimal places

a:b is 8:9 and b:c is 2:5. Find a:b:c in its simplest form.

Find the mean, median and range of: 88, 57, 24, 75, 73, 98, 78, 52, 65. Give your answer to 2 decimal places

Simplify: √684

Complete the square: x² - 7x + 10

Find area of triangle: a = 13cm, b = 12cm, angle = 59°. Give your answer to 2 decimal places

a:b is 4:3 and b:c is 5:6. Find a:b:c in its simplest form.

Find the mean, median and range of: 35, 92, 11, 10, 68, 95, 29. Give your answer to 2 decimal places