What is the volume of a hemisphere with a radius of 26.7 m, rounded to the nearest tenth of
a cubic meter?

Pls , the question is in the picture!

Anyone know? will mark brainliest if correct

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.