Natalie is having a party and wants to order some pizzas. there will be 57 guests and she wants to ensure everyone gets a piece of pizza. he wants to pay the lowest possible amount and wants everyone to get an equal share. small pizzas are 20 cm; serve 12 people and cost 13.50 per pizza while the large one is 25 cms serves 20 peole and costs 18.75. how much will she have to pay for her order?

Which of the following is true for the relation f(x)=2x^2+1

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.

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