Calculate: -2 + (-9)

Simplify: 4x + 9x

Find the area of a circle with radius 6cm

Simplify the ratio 16:24

Find the mean of: 6, 18, 19, 6

Calculate: -6 + 9

Find the next term: 28, 38, 48, 58, ...

Opposite = 14cm, hypotenuse = 16.2cm. Find the angle

In ratio 4:1, the difference between shares is 63. What are the shares?

Find the mean of: 19, 17, 4

Calculate: 63 + 28

Find the next term: 20, 29, 38, 47, ...

Find the area of a circle with radius 8cm

Simplify the ratio 16:10

Find the median of: 7, 5, 17, 13, 13

Calculate: 47 + 41

Simplify: 7x + 7x

Opposite = 8cm, hypotenuse = 16cm. Find the angle

Simplify the ratio 35:15

Find the mean of: 4, 2, 17, 12, 11

Calculate: 52 + 93

Find the next term: 30, 32, 34, 36, ...

Opposite = 12cm, hypotenuse = 24cm. Find the angle

Simplify the ratio 6:9

Find the median of: 11, 15, 13, 10, 8