Tickets for a baseball game cost $60 for a family of 5. adult and youth tickets cost the same amount. select all statements that are true. *
a. 2 tickets cost $24.
b. for $40, you can buy 4 tickets.
c. the cost is $12 per ticket.
d. the cost for 10 tickets is $65.

Alicense plate is to consist of 44 digits followed by 55 uppercase letters. determine the number of different license plates possible if the first and second digits must be? odd, and repetition is not permitted.

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)