Complete the steps to find the value of x

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2

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

Which term describes the point where the perpendicular bisectors of the three sides of a triangle intersect?