Which expression is equivalent to the following complex fraction? 1 +
y
1
y
1 -
(+1)(-1)
y+1
y-1
o
y-1
y+1
y2
(y+10(y-17
Please help me

How many different ways can you make change for $.50 using only nickels,dimes, and quarters?

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?

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?