Write 21,000 in standard form

Factorise: x² - x - 30

Adjacent = 29cm, angle = 35°. Find opposite. Give your answer to 2 decimal places

Simplify the ratio m : 50cm

The mean of 5 numbers is 39. If 4 of them are 29, 37, 27, 36, what is the missing number?

Write 0.000056 in standard form

Factorise: x² - x - 90

Hypotenuse = 34cm, angle = 33°. Find adjacent side. Give your answer to 2 decimal places

Red, blue and green beads are in the ratio 1:5:5. What fraction of the beads are red?

The mean of 5 numbers is 36. If 4 of them are 24, 45, 20, 30, what is the missing number?

Write 600,000 in standard form

Factorise: x² - 2x - 24

Adjacent = 17cm, angle = 39°. Find opposite. Give your answer to 2 decimal places

In ratio 4:6:8, what fraction is the third part?

Calculate the mean of: 28, 38, 8, 34, 25, 24. Give your answer to 2 decimal places

Write 530,000,000 in standard form

Factorise: x² - 2x - 3

Adjacent = 17cm, angle = 51°. Find opposite. Give your answer to 2 decimal places

Express the first part of 15:8 as a fraction in simplest form

The mean of 4 numbers is 39. If 3 of them are 28, 40, 32, what is the missing number?

Write 0.00021 in standard form

Factorise: x² - 8x - 9

Hypotenuse = 32cm, angle = 45°. Find adjacent side. Give your answer to 2 decimal places

Divide 84 in the ratio 2:2:3

Calculate the mean of: 17, 48, 41, 21, 21, 20, 18, 21. Give your answer to 2 decimal places