Students are selling muffins at a school bake sale. one muffin cost $0.25 , 2 muffins cost $ 0.37. 3 muffins cost $ 0.49 and 4 muffins cost $0.61. if the pattern continues how much will 7 muffins cost? explain how u found ur answer plz tell me how u find the answer.

Ihave this math question 2/3 ÷2 1/10=

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?

Find the cosine function that is represented in the graph.