I really need help ONLY QUESTION 3

Use the numbers in the multiplication equation 45 x 1/9 =5 to write a division equation involving division by a fraction.

Find the cosine function that is represented in the graph.

Atown recently dismissed 5 employees in order to meet their new budget reductions. the town had 5 employees over 50 years of age and 19 under 50. if the dismissed employees were selected at random, what is the probability that exactly 2 employees were over 50? express your answer as a fraction or a decimal number rounded to four decimal places.