What is the parametric form of the line r = (2, -3, 0) + t(1, 0, -1)?

Write each expression in exponential form and find its value. 2 x 2 x 2 x 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.

Which best explains why this triangle is or is not a right triangle ?