Write an equation of a line in point-slope form that has a slope of -2 and passes through (5, -1). a. y + 1 = -2(x – 5) b. y – 1 = -2(x – 5) c. y – 5 = -2(x + 1) d. y -5 = -2(x – 1) also explain how?

The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle