Calculate: 68 + 43

Solve: x + 8 = 13

Opposite = 19cm, adjacent = 12cm. Calculate the angle

Find 42% of 103

Find the mean of: 17, 5, 18, 17, 2

What is the missing number: 76 + ? = 121

Factorise: 3x² + 8x

Find the area of a circle with radius 8cm

Simplify: 24:20:8

Calculate the range of: 70, 83, 85, 85, 44, 68

Calculate: 5 + (3) + (4)

Solve: 8x = 56

Find the hypotenuse of a right triangle with sides 8cm and 15cm

Simplify the ratio 15:21

Find the range of: 22, 24, 31, 19, 19

Calculate: 26 + 55

Solve: x + 13 = 22

Calculate the area of a circle with diameter 15cm

Simplify the ratio 20:25

Calculate the mean of: 20, 42, 43, 17, 38, 48, 28

What is the missing number: 32 + ? = 158

Solve: x + 14 = 23

Find the area of a circle with radius 4cm

Calculate 25% of 39

Calculate the mean of: 50, 8, 45, 17, 28, 49