Carl wants to buy a television that costs $745, including taxes. To pay for the television, he will use a payment plan that requires him to make a down payment of $120, and then pay $89.30 each month for 8 months. What is the percent increase from the original cost of the television to the cost of the television using the payment plan? *

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)