Find the volume of a sphere made by rotating a circle with a radius of 12 inches. use 3.14 for π and round to nearest whole number. a) 1,728 in3 b) 2,304 in3 c) 4,072 in3 d) 7,235 in3

for finding the midpoint of any given 2 pair of points simply add the respective x coordinates with other x coordinate and the y coordinate with other y coordinate and divide them by 2

in your question it will be :

(3+1)/2 for the x coordinate of mid point i.e 2

[8+(-4)]/2 for the y coordinate of midpoint i.e 2

so coordinates of mid point of points (3,8) and (1,-4) will be (2,2)