Write 0.000051 in standard form

Factorise: x² + x - 72

Adjacent = 14cm, angle = 52°. Find opposite. Give your answer to 2 decimal places

Simplify the ratio 2 hours : 40 minutes

The mean of 5 numbers is 33. If 4 of them are 35, 47, 50, 21, what is the missing number?

Write 0.0066 in standard form

Factorise: x² + x - 42

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

In ratio 4:1:3, what fraction is the first part?

The mean of 5 numbers is 34. If 4 of them are 24, 36, 35, 16, what is the missing number?

Write 50,000,000 in standard form

Factorise: x² + 18x + 72

Adjacent = 18cm, angle = 50°. Find opposite. Give your answer to 2 decimal places

Black, white and yellow beads are in the ratio 4:6:5. What fraction of the beads are white?

Calculate the mean of: 32, 15, 6, 29, 36, 46, 40. Give your answer to 2 decimal places

Write 0.098 in standard form

Factorise: x² - 16x + 63

Hypotenuse = 30cm, angle = 59°. Find adjacent side. Give your answer to 2 decimal places

Simplify the ratio 2m : 90cm

Calculate the mean of: 39, 46, 14, 47, 12, 43

Write 31,000 in standard form

Factorise: x² + 6x - 27

Adjacent = 15cm, angle = 54°. Find opposite. Give your answer to 2 decimal places

Simplify the ratio 3 hours : 15 minutes

The mean of 6 numbers is 40. If 5 of them are 40, 45, 40, 27, 47, what is the missing number?