25 a tree that is 18 meters tall casts a shadow that is 6 meters long at the same time another tree casts a shadow thats 9 meters long how tall is the second tree? plz show all work define variable write proportion

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

Hich polynomial correctly combines the like terms and expresses the given polynomial in standard form? 8mn5 – 2m6 + 5m2n4 – m3n3 + n6 – 4m6 + 9m2n4 – mn5 – 4m3n3

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $36.98. find the probability that a randomly selected bill will have an amount greater than $173, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?