A password is formed by selecting three letters from the alphabet, followed by one number from 0 to 9. If repetition is not allowed, how many potential passwords can be created?
A. 156,000
B.175,760
C.140,400
D.85

Can you draw an isosceles triangle with only one 80 degree angle?

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

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.