Number of Goldfish Cost
5 $1.50
10 $3.00
15 $4.50
20 $6.00
The cost is a linear function of the number of goldfish. Which statement describes the rate of change of this
function?
A. The cost increases $0.30 each time 1 goldfish is added.
B. The cost increases $1.50 each time 1 goldfish is added.
C. The cost increases $3.00 each time 5 goldfish are added.
D. The cost increases $6.00 each time 5 goldfish

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

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