Please help me, i need it right now !!

Volume of a cylinder with a radius of 13 in and height of 30 in

Find the equation of the line that goes through the points (4, –1) and (2, –5). use slope formula,equation,to find the slope of a line that passes through the points. m = use slope-intercept form, y = mx + b, to find the y-intercept (b) of the line. b = write the equation in slope-intercept form, y = mx + b.

Issof claims that the scale factor is 1/2. which statement about his claim is correct