If all four sides of a quadrilateral are congruent , the quadrilateral must be a ? a a rectangle b a trapezoid c a rhombus d a kite

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?

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

Which of the functions graphed below has a removable discontinuity?