In which case is the first number divisible by the second? use mental math. 23 by 2 72 by 3 42 by 5 37 by 10

Find an equation for the linear function which has slope -10 and x-intercept -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.

What is always true when two whole numbers are subtracted?