Simplify: √250

Complete the square: 2x² - 4x

Find area of triangle: a = 17cm, b = 14cm, angle = 72°. Give your answer to 2 decimal places

a:b is 5:3 and b:c is 4:1. Find a:b:c in its simplest form.

Find the mean, median and range of: 50, 78, 30, 61, 29, 19, 77, 31, 12

Simplify: 5√48

Complete the square: 5x² - 40x + 6

Find area of triangle: a = 28cm, b = 19cm, angle = 70°. Give your answer to 2 decimal places

a:b is 3:2 and b:c is 9:2. Find a:b:c in its simplest form.

Find the mean, median and range of: 39, 57, 94, 27, 87, 68, 24, 97, 79. Give your answer to 2 decimal places

Simplify: √396

Complete the square: 2x² - 16x - 12

Find area of triangle: a = 20cm, b = 18cm, angle = 64°. Give your answer to 2 decimal places

a:b is 6:7 and b:c is 4:3. Find a:b:c in its simplest form.

Find the mean, median and range of: 24, 47, 35, 48, 93, 97, 78. Give your answer to 2 decimal places

Simplify: 5√75

Complete the square: x² + 9x - 8

Find area of triangle: a = 18cm, b = 17cm, angle = 80°. Give your answer to 2 decimal places

a:b is 1:5 and b:c is 7:9. Find a:b:c in its simplest form.

Find the mean, median and range of: 75, 93, 39, 84, 93, 56, 99

Simplify: 2√28

Complete the square: x² + 9x + 5

Find area of triangle: a = 13cm, b = 25cm, angle = 63°. Give your answer to 2 decimal places

a:b is 5:9 and b:c is 2:3. Find a:b:c in its simplest form.

Find the mean, median and range of: 94, 13, 51, 44, 11, 98, 15. Give your answer to 2 decimal places