How many rooms can be painted using 5 gallons of paint if each room averages 5/6 gallon of paint? A. 4
B. 5
C. 6
D. 7

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.

Given the expression (7 ? 4i) ? (2 + 6i), perform the indicated operation and write the answer in the form a + bi.

Express -5 2/5 as an improper fraction.