4. Consider the following sum: The beginning value is 4 and the sum lies 9 units to the left of the beginning value.

Complete the number sentence for this sum:
4+_=_

Is a positive integer raised to a negative power always positive

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?

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