Which of the following is true about the age of rock layers and the age of the earth? a. all rock layers are older than the earth. b. the earth is older than any rock layer. c. the bottom layer in a sequence of rock layers is older than the earth. d. the top layer in a sequence of rock layers is older than the earth.

The table below represents a linear function f(x) and the equation represents a function g(x): x f(x) −1 −5 0 −1 1 3 g(x) g(x) = 2x − 7 part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points) part b: which function has a greater y-intercept? justify your answer. (4 points)

Pls! does anybody know a shortcut for answering these types of questions in the future?

Whats are the trickiest steps to do when adding or subtracting rational expressions? how does knowledge of rational numbers u in adding and subtracting rational expressions?