In a class of 20 students, 9 are female and 15 have an A in the class. There are 2 students who are male and do not have an A in the class. What is the probability that a student has an A given that the student is female?

Autility company burns coal to generate electricity. the cost c(p), (in dollars) of removing p percent of the some stack pollutants is given by c(p)= 85000p/100-p a) find the cost to remove 30% of the pollutant b) find where the function is undefined

Evaluate the expression for the given value of the variable 7a - 4a for a =8

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !