Write 21,000,000 in standard form

Factorise: x² + 2x - 63

Adjacent = 27cm, angle = 44°. Find opposite. Give your answer to 2 decimal places

Simplify the ratio 2m : 10cm

Calculate the mean of: 44, 16, 49, 16, 30, 50, 9, 13. Give your answer to 2 decimal places

Write 0.00033 in standard form

Factorise: x² - 14x + 24

Hypotenuse = 37cm, angle = 27°. Find adjacent side. Give your answer to 2 decimal places

Simplify the ratio 9m : 60cm

The mean of 4 numbers is 33. If 3 of them are 25, 15, 40, what is the missing number?

Write 0.067 in standard form

Factorise: x² + 7x + 10

Hypotenuse = 27cm, angle = 30°. Find adjacent side. Give your answer to 2 decimal places

Red, blue and green marbles are in the ratio 3:6:2. What fraction of the marbles are green?

The mean of 4 numbers is 34. If 3 of them are 20, 41, 34, what is the missing number?

Write 1,200,000 in standard form

Factorise: x² - 3x - 70

Adjacent = 19cm, angle = 32°. Find opposite. Give your answer to 2 decimal places

Simplify the ratio 3 litres : 300 ml

Calculate the mean of: 39, 46, 6, 35, 16, 7, 9. Give your answer to 2 decimal places

Write 0.00045 in standard form

Factorise: x² - x - 20

Hypotenuse = 16cm, angle = 34°. Find adjacent side. Give your answer to 2 decimal places

Red, blue and green beads are in the ratio 8:2:10. What fraction of the beads are red?

The mean of 6 numbers is 37. If 5 of them are 24, 42, 36, 50, 45, what is the missing number?