The radius, r, of a circle is one-half of the length of its diameter, d. r= r= d + r = d 2 r = d r = d

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

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?

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip