Write 0.000047 in standard form

Factorise: x² + 2x - 15

Adjacent = 29cm, angle = 46°. Find opposite. Give your answer to 2 decimal places

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

The mean of 4 numbers is 32. If 3 of them are 34, 36, 44, what is the missing number?

Write 0.00047 in standard form

Factorise: x² + x - 90

Hypotenuse = 21cm, angle = 36°. Find adjacent side. Give your answer to 2 decimal places

Divide 161 in the ratio 1:4:2

The mean of 6 numbers is 36. If 5 of them are 47, 31, 28, 46, 19, what is the missing number?

Write 410,000,000 in standard form

Factorise: x² + 2x - 35

Adjacent = 29cm, angle = 54°. Find opposite. Give your answer to 2 decimal places

Simplify: 12:24:16

Calculate the mean of: 39, 16, 38, 41, 41, 16, 39. Give your answer to 2 decimal places

Write 590,000 in standard form

Factorise: x² - 11x + 28

Adjacent = 13cm, angle = 37°. Find opposite. Give your answer to 2 decimal places

Black and white counters are in the ratio 12:13. What fraction of the counters are black?

The mean of 4 numbers is 35. If 3 of them are 30, 33, 36, what is the missing number?

Write 0.000055 in standard form

Factorise: x² - 5x - 24

Hypotenuse = 20cm, angle = 34°. Find adjacent side. Give your answer to 2 decimal places

Divide 90 in the ratio 3:4:2

The mean of 5 numbers is 30. If 4 of them are 37, 32, 24, 34, what is the missing number?