Emilio made 54 potholders. Each potholder cost him $1.80 to make. If he sells each potholder for $2.15, how much profit will he make?

What value of x will make the triangles similar by the sss similarity theorem?

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?

Use sigma notation to represent the following series for 9 terms.