6) Girls at CRHS have an average height of 65.5 inches with standard deviation of 2.3 inches. Boys have an average height of 71 inches with standard deviation of 3.5 inches. If girls and boys were picked
at random and the difference in height calculated, what would the average height difference
be? What would the standard deviation of the differences in height be?
WILL MARK AS BRAINLIEST

You will get 25 points an image of a rectangular prism is shown below: part a: a cross section of the prism is cut with a plane parallel to the base. what is the name of the shape created by the cross section? explain your answer. (5 points) part b: if a cross section of the prism is cut perpendicular to the base, what would be the shape of the resulting cross section? explain your answer. (5 points)

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be