Write 87,000,000 in standard form

Factorise: x² - 7x + 12

Adjacent = 28cm, angle = 33°. Find opposite. Give your answer to 2 decimal places

Express the second part of 15:2 as a fraction in simplest form

The mean of 4 numbers is 34. If 3 of them are 30, 37, 20, what is the missing number?

Write 0.00003 in standard form

Factorise: x² + x - 72

Hypotenuse = 36cm, angle = 37°. Find adjacent side. Give your answer to 2 decimal places

Divide 168 in the ratio 3:4:1

Calculate the mean of: 43, 5, 22, 48, 32, 18, 25, 21

Write 0.000016 in standard form

Factorise: x² - 4x - 12

Adjacent = 22cm, angle = 52°. Find opposite. Give your answer to 2 decimal places

Divide 224 in the ratio 2:1:1

The mean of 5 numbers is 34. If 4 of them are 25, 31, 17, 27, what is the missing number?

Write 710,000 in standard form

Factorise: x² + 13x + 22

Hypotenuse = 18cm, angle = 25°. Find adjacent side. Give your answer to 2 decimal places

Simplify: 12:6:6

The mean of 5 numbers is 28. If 4 of them are 43, 20, 19, 37, what is the missing number?

Write 0.059 in standard form

Factorise: x² - 2x - 35

Adjacent = 11cm, angle = 42°. Find opposite. Give your answer to 2 decimal places

Divide 99 in the ratio 4:4:1

Calculate the mean of: 38, 19, 14, 21, 9, 48, 40, 24. Give your answer to 2 decimal places