PLEASE HELP IM TIMED Triangle ABC is an isosceles right triangle. What is the measure of one base angle?
A. 30 degrees
B. 45 degrees
C. 60 degrees
D. 90 degrees

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

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)

Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !