PLEASE HELP ME ILL GIVE 12 POINTS PLS

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

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?