Problem Rachel is a stunt driver, and she's escaping from a building that is about to explode!
D represents Rachel's remaining distance (in meters) after ttt seconds.
D=-38t+220D=−38t+220D, equals, minus, 38, t, plus, 220
How long is the distance Rachel has to drive?
meters

Layer r contains a well-known index fossil that is 100 million years old. based on this information and the principle of superposition, a. layers t and m are older than 100 million years, and layers x and g are younger than 100 million years. b. layers t, m, x, and g are all older than 100 million years. c. layers t and m are younger than 100 million years, and layers x and g are older than 100 million years.