there are 30 students in a class
the ratio of girls to boys is 2: 3
work out the number of boys in the class
explain how

In an experiment you are to flip a two sided coin 100 times and record 55 heads up and 45 tails up determine the theoretical and experimental probability of getting a heads up in the experiment.

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

In a 45-45-90 right triangle, what is the ratio of the length of one leg to the length of the other leg? а . 1: 2 в. 2: 1 с. 2: 1 d. 1: 1