It costs Jesse $1600 to maintain and drive his car for 32 000 km. a. Find the cost in $ per km.
b. Write a formula for the cost, $C, of driving Jesse’s car for k kilometres.
c. If Jesse also pays a total of $1200 for registration and insurance, write the new formula for the cost to Jesse of owning and driving his car for k kilometres.

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

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

The product of sin 30 degrees and sin 60 degrees is same as the product of