-7(-u+3w-5) use the distributive property to remove parentheses

The system of equations graphed below has how many solutions?

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

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