For her party, can nina fill fewer than 10 bags with treats, between 10 and 20 bags, between 20 and 30 bags, or more than 30 bags? explain *side note* 3 treats in each bag** nina has 78 treats in all

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 value of x in the equation 2(x-4) = 4(2x + 1)?

Drag the tiles to the boxes to form correct pairs. not all tiles will be used. match each set of vertices with the type of quadrilateral they form