Given a sphere with radius r, the formula 4ttr2 gives . A. the volume
B. the surface area
C. the radius
D. the cross-sectional area​

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.