Simplify: √475

Complete the square: x² + 7x + 4

Find area of triangle: a = 15cm, b = 21cm, angle = 53°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 50, 13, 19, 55, 56, 88, 60, 34, 71. Give your answer to 2 decimal places

Simplify: √245

Complete the square: 4x² - 24x + 1

Find area of triangle: a = 25cm, b = 14cm, angle = 74°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 98, 23, 71, 94, 35, 58, 96. Give your answer to 2 decimal places

Simplify: √686

Complete the square: 2x² + 8x + 1

Find area of triangle: a = 30cm, b = 22cm, angle = 67°. Give your answer to 2 decimal places

a:b is 6:7 and b:c is 9:4. Find a:b:c in its simplest form.

Find the mean, median and range of: 68, 41, 34, 65, 25, 67, 74, 49, 19. Give your answer to 2 decimal places

Simplify: √735

Complete the square: 4x² - 48x - 2

Find area of triangle: a = 18cm, b = 15cm, angle = 51°. Give your answer to 2 decimal places

a:b is 1:3 and b:c is 7:9. Find a:b:c in its simplest form.

Find the mean, median and range of: 25, 36, 56, 35, 65, 71, 34, 54, 65

Simplify: 4√160

Complete the square: x² + 5x - 12

Find area of triangle: a = 15cm, b = 17cm, angle = 45°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 97, 37, 92, 86, 26, 73, 92, 51