Can you help me here is the inage

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

Determine the solution for mc001-1.jpeg

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =