Calculate: 26 + 13

Simplify: 9x + 2x

Find the area of a circle with radius 8cm

Simplify the ratio 24:9

Find the mean of: 19, 8, 12, 12, 20

Calculate: 69 + 63

Find the next term: 25, 28, 31, 34, ...

Find the area of a circle with radius 5cm

Simplify the ratio 6:14

Find the median of: 13, 20, 13, 15, 19

Calculate: 4 + 6

Find the next term: 8, 11, 14, 17, ...

Opposite = 10cm, hypotenuse = 11.5cm. Find the angle

Calculate 10% of 149

What is the probability of getting heads when flipping a fair coin?

Calculate: -9 + (-2)

Find the next term: 29, 39, 49, 59, ...

Opposite = 14cm, hypotenuse = 28cm. Find the angle

Simplify the ratio 24:6

Find the mean of: 20, 15, 14, 15

Calculate: 77 + 98

Simplify: 7x + 9x

Find the area of a circle with radius 7cm

Simplify the ratio 12:16

Find the mean of: 19, 16, 19