Which one of the following is not a monomial?
k2
18
оху
s + 3

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships