Mary is making pillows for her life skills class. she bought 2 and 1 half yards of fabric. her total cost was $15. what was the cost per yard?

Anewborn baby had about 26,000,000,000 cells. an adult has about 4.94 times 10 to the 13 power cells. how many times as many cells does an adult have than a newborn

Which one is the correct answer, and why?

Through which points should a line of rotation be placed to create a cylinder with a radius of 3 units