100points
what is the slope of the line passing through the points (−1, 3) and (4, −7) ?

a) 3/4

b) -2

c) -4/3

d) 2

Simplify. −4x^2 (5x^4−3x^2+x−2) −20x^6−12x^4+8x^3−8x^2 −20x^6+12x^4−4x^3+8x^2 −20x^8+12x^4−4x^2+8x −20x^6+12x^4+4x^3−8x^2