Decide if the situation involves permutations, combinations, or neither. Explain your reasoning. The number of ways you can choose 4 books from a selection of 8 to bring on vacation

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles