For the past week, your restaurant revenue was $28,675 and your food cost was $9,274. Calculate your gråss margi percentage (revenue - food cost)lrevenue). Remember to round to the nearest percent.

a) 63%

b) 68%

C) 73%

d) 78%

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

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

Two line segments are shown in the figure below. suppose that the length of the line along the x-axis is 6, and the length of the hypotenuse of the triangle is 10. what is the equation of the hypotenuse line (shown in red, below)?