Covert 12/5 into a mixed number in simplest form

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

Multiply and simplify 2x^2 y^3 z^2 · 4xy^4 x^2

The function representing david's miles per month if f(m)= 115m + 5. what does the 115 represent