Based on her results, what is the probability that two students were randomly picked and the first one chose romance and the second one chose action? 1/27

4/7

18/28

1/14

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?

What is the geometric mean of 3 and 7? a) square root of 21 b) 2 square root of 6 c) 2 square root of 7 d) 21

Aculinary club earns $1360 from a dinner service. they sold 45 adult meals and 80 student meals. an adult meal costs twice as much as a student meal. what is the cost of an adult meal?