What cannot be separated into simpler substances by physical or mechanical methods

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

The graph shows the distance kerri drives on a trip. what is kerri's speed?

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)