Simplify: √637

Complete the square: x² + x - 7

Find area of triangle: a = 19cm, b = 30cm, angle = 65°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 97, 37, 51, 25, 82, 96, 35, 48. Give your answer to 2 decimal places

Simplify: √833

Complete the square: 5x² - 40x - 11

Find area of triangle: a = 26cm, b = 16cm, angle = 42°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 20, 99, 14, 98, 23, 45, 59, 83, 88. Give your answer to 2 decimal places

Simplify: √896

Complete the square: x² + 5x - 9

Find area of triangle: a = 25cm, b = 19cm, angle = 56°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 11, 41, 18, 69, 77, 54, 80, 93. Give your answer to 2 decimal places

Simplify: √175

Complete the square: x² + 9x + 9

Find area of triangle: a = 18cm, b = 15cm, angle = 76°. Give your answer to 2 decimal places

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

Find the mean, median and range of: 90, 100, 18, 79, 57, 99, 77, 67, 85. Give your answer to 2 decimal places

Simplify: 5√80

Complete the square: x² - x - 1

Find area of triangle: a = 21cm, b = 20cm, angle = 51°. Give your answer to 2 decimal places

a:b is 1:3 and b:c is 5:6. Find a:b:c in its simplest form.

Find the mean, median and range of: 17, 92, 20, 75, 23, 67, 63