Simplify (9a ^ 4 * b * c ^ 7) ^ 2 show all your work

Write an equation of the line given the two points below (write your equation in slope-intercept form, y=mx+b): (-4, 4) and (6, -4)

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2

What is the equation of the line that passes through (-3, -1) and has a slope of 2/5 ? put your answer in slope-intercept form. a y= 2/5x+1/5 b y=2/5x-1/5 c y=-2/5x-1/5