Daniel is getting balloons for his mother's birthday party he wants each balloon string to be 12' long at the party store string of sold by the yard if Daniel wants to get 60 balloons how many yards of string will he need

Which addition property is being illustrated below? (type commutative or associative) (6 + 7) + 1 = 6 + (7 + 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?

Which of these triangle pairs can be mapped to each other using two reflections?