Which expression is equivalent to
128x5y6
12x7y5 ? Assume x > 0 and y>0.

2x + 1 < 5 solve the following inequality. then place the correct number in the box provided.

Consider the graph of the exponential function y=3(2)×

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.