Each ticket to the football game costs $5. Let a represent the number of tickets bought and let t represent the total cost of the tickets. Which equation represents the relationship? A: n = 5t
B: t = 5n
C: tn = 5
D: 5tn = 1​

Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities