What is the slope of a line perpendicular to the line whose equation is
4x−10y=20. Fully reduce your answer.

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.

The graph of a curve that passes the vertical line test is a:

The graph represents f(x)=[x]+3. what is f(-2.2)?