You are baking cookies for your class. there are 23 total students in your class and you have baked 12 cookies. write and solve an equation to find the additional number x of cookies you need to bake in order to have 2 cookies for each student. write your equation so that the units on each side of the equation are cookies per student.

Igor stravinsky tires sells approximately 3,760,000 car tires and 1,200,000 truck tires each year. about 47,000,000 care tires and 26,000,00 truck tires are sold each year in the united states. what is stravinsky's market share in each of these two markets (cars and trucks)?

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

How to find the exponential function y=ca^x, with points (1,2) and (2,1)