7. a recent medical survey reported that 45% of the respondents felt that the doctor explained their condition in a sufficient manner. assuming that this poll reflects all the patients, find the probability that for 12 patients:
a. four or more agree
b. no more than 8 agreed

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $

What numbers are included in the set of integers? what numbers are not included?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).