Which of the following side measurements could make an equilateral triangle and isosceles triangle?
a.12, 12, 14
b. 4, 5, 6
c. 2, 2, 2
d. 2, 2, 4

The computer that controls a bank's automatic teller machine crashes a mean of 0.6 times per day. what is the probability that, in any seven-day week, the computer will crash less than 5 times? round your answer to four decimal places