Tina has been dieting for a total of 13 weeks. she lost 3 pounds on the first week of her diet, but gained back a pound on the second week. on each remaining week of her diet, she lost 2 pounds. how many pounds has tina lost in all?
a. 26 pounds
b. 24 pounds
c. 20 pounds
d. 22 pounds

Im literally having a mental breakdown

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

Which sums are equal to 1hold 6/8? choose all answers that are correcta.1/8+6/8b.12/8+2/8c.8/8+1/8 +1/8+1/8+1/8+1/8+1/8d.8/8+6/8