Explain how to estimate the quotient using compatible numbers.

What are the sotions to the quadratic equation 9x^2=4

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).