You push your little sister on a swing and in 1.6 minutes you make 52 pushes what is the frequency of your swing? answer in units of hz

An insurance company wants to know if the average speed at which men drive cars is higher than that of women drivers. the company took a random sample of 27 cars driven by men on a highway and found the mean speed to be 72 miles per hour with a standard deviation of 2.2 miles per hour. another sample of 18 cars driven by women on the same highway gave a mean speed of 68 miles per hour with a standard deviation of 2.5 miles per hour. assume that the speeds at which all men and all women drive cars on this highway are both approximately normally distributed with unknown and unequal population standard deviations.

Astate of matter all that has define volume and can flow is a(n)

Explain why you think this diagram shows what happened to the carbon in the biodome.