Which equation is correct regarding the measure of 21?
"O m_1 = {(a-c)
O m_1 = {(a + c)
m_1 = 1 (0-0)
O m_1 = {(6+0)

What is not true about kl and mn? what is mn? (show your work)

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6