Write 0.003 in standard form

Factorise: x² + 6x - 16

Adjacent = 30cm, angle = 39°. Find opposite. Give your answer to 2 decimal places

Simplify the ratio 3 hours : 35 minutes

The mean of 5 numbers is 31. If 4 of them are 43, 36, 15, 23, what is the missing number?

Write 830,000,000 in standard form

Factorise: x² + 6x - 55

Hypotenuse = 38cm, angle = 57°. Find adjacent side. Give your answer to 2 decimal places

Simplify the ratio 6kg : 850g

Calculate the mean of: 43, 31, 10, 6, 44, 9, 11, 14

Write 0.00081 in standard form

Factorise: x² - 3x - 88

Adjacent = 21cm, angle = 43°. Find opposite. Give your answer to 2 decimal places

Simplify the ratio 1 hour : 40 minutes

Calculate the mean of: 18, 18, 9, 45, 27, 21, 50. Give your answer to 2 decimal places

Write 140,000,000 in standard form

Factorise: x² + 3x - 28

Hypotenuse = 25cm, angle = 32°. Find adjacent side. Give your answer to 2 decimal places

Simplify the ratio 4 litres : 850 ml

The mean of 5 numbers is 30. If 4 of them are 44, 37, 41, 20, what is the missing number?

Write 9,100,000 in standard form

Factorise: x² + 3x - 18

Hypotenuse = 32cm, angle = 51°. Find adjacent side. Give your answer to 2 decimal places

Red, blue and green beads are in the ratio 2:9:3. What fraction of the beads are red?

The mean of 4 numbers is 23. If 3 of them are 25, 20, 17, what is the missing number?