Write 8,500,000 in standard form

Factorise: x² + 4x - 45

Adjacent = 25cm, angle = 36°. Find opposite. Give your answer to 2 decimal places

Simplify the ratio 4 hours : 55 minutes

The mean of 4 numbers is 30. If 3 of them are 28, 47, 31, what is the missing number?

Write 400,000 in standard form

Factorise: x² + 2x - 63

Adjacent = 14cm, angle = 56°. Find opposite. Give your answer to 2 decimal places

Black and white counters are in the ratio 7:6. What fraction of the counters are black?

Calculate the mean of: 43, 24, 19, 39, 11, 28, 13, 35

Write 0.000058 in standard form

Factorise: x² - 14x + 33

Hypotenuse = 27cm, angle = 47°. Find adjacent side. Give your answer to 2 decimal places

Simplify: 4:8:8

The mean of 5 numbers is 29. If 4 of them are 36, 41, 30, 27, what is the missing number?

Write 46,000 in standard form

Factorise: x² + 8x - 9

Adjacent = 14cm, angle = 33°. Find opposite. Give your answer to 2 decimal places

Express the first part of 15:7 as a fraction in simplest form

The mean of 5 numbers is 32. If 4 of them are 38, 16, 21, 16, what is the missing number?

Write 0.00005 in standard form

Factorise: x² + 6x - 7

Hypotenuse = 20cm, angle = 31°. Find adjacent side. Give your answer to 2 decimal places

Red and blue counters are in the ratio 8:5. What fraction of the counters are blue?

Calculate the mean of: 23, 23, 35, 17, 25, 17, 22, 49. Give your answer to 2 decimal places