Simplify: √847

Complete the square: 5x² - 50x - 5

Find area of triangle: a = 28cm, b = 21cm, angle = 60°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 87, 50, 24, 98, 18, 62, 79, 68

Simplify: √363

Complete the square: 4x² + 24x + 7

Find area of triangle: a = 21cm, b = 13cm, angle = 46°. Give your answer to 2 decimal places

a:b is 2:3 and b:c is 5:4. Find a:b:c in its simplest form.

Find the mean, median and range of: 18, 59, 15, 37, 54, 43, 92, 26

Simplify: 5√90

Complete the square: x² - 11x + 5

Find area of triangle: a = 19cm, b = 17cm, angle = 73°. Give your answer to 2 decimal places

a:b is 7:8 and b:c is 7:6. Find a:b:c in its simplest form.

Find the mean, median and range of: 97, 49, 51, 96, 86, 26, 40. Give your answer to 2 decimal places

Simplify: √864

Complete the square: 4x² + 24x - 9

Find area of triangle: a = 25cm, b = 18cm, angle = 57°. Give your answer to 2 decimal places

a:b is 8:9 and b:c is 7:5. Find a:b:c in its simplest form.

Find the mean, median and range of: 64, 54, 90, 83, 63, 22, 49, 31

Simplify: √300

Complete the square: 4x² - 24x + 3

Find area of triangle: a = 27cm, b = 24cm, angle = 47°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 44, 48, 20, 24, 91, 30, 98, 64. Give your answer to 2 decimal places