The volume of a cylinder is 540π ft3. the height is 15 ft. what is the diameter of the cylinder?

a.) 12 ft
b.) 24 ft
c.) 6 ft
d.) 36 ft

Pls me this is due today and i need i will make brainliest if you me answer correctly and i will report if you try to give me a dumb answer.

If you had $1,900,000, how many days would it take you to spend all if you spent $1 a second. (there are 86,400 seconds in a day)

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.