16 From her part-time job, Monika can earn a regular
amount of $120 per week. On average, she finds that
she uses 3/8 of her earnings on shopping, 2/5 on iTunes, 1/10 goes towards her mobile phone account and she
saves the rest.

a. What fraction of Monika's earnings can she save?

b. On average, how much of Monika's weekly
earnings goes towards each of the listed
categories?

c. Write a ratio for the average amount Monika
contributes weekly to shopping, iTunes, mobile
phone account and saving.

The radius of a sphere is 3 inches. which represents the volume of the sphere?

The number of members f(x) in a local swimming club increased by 30% every year over a period of x years. the function below shows the relationship between f(x) and x: f(x) = 10(1.3)xwhich of the following graphs best represents the function? graph of f of x equals 1.3 multiplied by 10 to the power of x graph of exponential function going up from left to right in quadrant 1 through the point 0, 0 and continuing towards infinity graph of f of x equals 10 multiplied by 1.3 to the power of x graph of f of x equals 1.3 to the power of x

A. the following events are mutually exclusive: living in california and watching american idol. true or false b. the number of patients seen by an outpatient practice is an example of a discrete random variable. true or false c. the law of large numbers states that as the number of times an event experiment is conducted increases, the likelihood of the actual probability of an event approaching the theoretical probability decreases. true or false d. measuring the time it takes for patients to enter the operating room is an example of a continuous random variable. true or false