Charlotte receives a weekly allowance from her parents. She spent half of this week's allowance at the
movies, but
earned an additional $4 for performing extra chores. If
she did not spend any additional money and finished the
week with $12, what is Charlotte's weekly allowance?
a. Write an equation that can be used to find the
original amount of Charlotte's weekly allowance. Let a
be the
value of Charlotte's original weekly allowance.
b. Solve the equation to find the original amount of
allowance

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