Blair cuts a ribbon into 2 equal pieces. then she cut 4 inches off one piece. that piece is now 5 inches long. what was the length of the original ribbon?

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?

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2