Which describes the horizontal cross section of the given right rectangular prism? A. A rectangle with dimensions of 15 inches and 16 inches. B. A rectangle with dimensions of 15 inches and 7 inches. C. A rectangle with dimensions of 9 inches and 15 inches. D. A rectangle with dimensions of 9 inches and 7 inches.

The horizontal cross section of the given right rectangular prism is a rectangle with dimensions of 9 inches and 7 inches. (Choice D)

The horizontal cross section is parallel to the base of the right rectangular prism, whose dimensions are 9 inches and 7 inches, respectively. Thus, the horizontal cross section of the given right rectangular prism is a rectangle with dimensions of 9 inches and 7 inches. (Choice D)

The figure is missing. We included the missing figure below.

To learn more on prisms, we kindly invite to check this verified question:  

part 1 answer = 8

part 2 answer = 72

step-by-step explanation:

part 1 explanation = add all of the numbers, then divide by how many numbers you have. so, 200/25 = 8.

part 2 explanation = not gonna lie, this is hard to explain, so just google how to do it.

answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify