Can someone please help me?

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28