Write 0.000016 in standard form

Factorise: x² + 5x - 24

Hypotenuse = 24cm, angle = 40°. Find adjacent side. Give your answer to 2 decimal places

Simplify: 8:8:20

Calculate the mean of: 21, 22, 28, 12, 15, 8, 15, 18. Give your answer to 2 decimal places

Write 3,000,000 in standard form

Factorise: x² + 2x - 63

Adjacent = 18cm, angle = 52°. Find opposite. Give your answer to 2 decimal places

Divide 135 in the ratio 2:3:4

The mean of 5 numbers is 28. If 4 of them are 17, 28, 39, 32, what is the missing number?

Write 0.000081 in standard form

Factorise: x² + 9x - 10

Hypotenuse = 19cm, angle = 43°. Find adjacent side. Give your answer to 2 decimal places

Express the first part of 7:12 as a fraction in simplest form

The mean of 5 numbers is 33. If 4 of them are 49, 22, 27, 46, what is the missing number?

Write 430,000 in standard form

Factorise: x² - 6x - 7

Adjacent = 13cm, angle = 48°. Find opposite. Give your answer to 2 decimal places

Divide 184 in the ratio 2:1:1

Calculate the mean of: 38, 20, 46, 25, 10, 43, 39. Give your answer to 2 decimal places

Write 99,000,000 in standard form

Factorise: x² + 20x + 99

Adjacent = 12cm, angle = 34°. Find opposite. Give your answer to 2 decimal places

Black and white marbles are in the ratio 5:6. What fraction of the marbles are white?

Calculate the mean of: 16, 44, 20, 44, 11, 22, 8, 37