The volume of a cylinder is 1296π cm³ and its height is 16 cm. The length of the cylinder's radius is ___ cm.

This is so harddd! solve. 1 + 1 = solve 4 + 4 = solve 3 x 3

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

What is negative 3/9 times negative 2/8 ?