If the ratio between the radii of two spheres is 3:7, what is the ratio of their volumes?

A. 27:343
B. 9:49
C. 9:7
D. 21:49

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

[15 points]find the quotient with the restrictions. (x^2 - 2x - 3) (x^2 + 4x + 3) ÷ (x^2 + 2x - 8) (x^2 + 6x + 8)