The navajo and pueblo indians create large, circular sand paintings as part of traditional healing ceremonies. how much more circumference does a sand painting with a 20-foot diameter have compared with one with a 5-foot diameter?

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?

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

Ateam has p points. p = 3w + d w = wins d = draws a) a football team has 5 wins and 3 draws. how many points does the team have?