If the radius of a sphere is 6cm, then it’s volume is A. 288pi cm^3
B. 576pi cm^3
C. 72pi cm^3
D. 36pi cm^3

What is the sum of these mixed numbers 2 1/8 + 4 3/8

Asequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an = an-1 an-2 . find the term a241

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?