How many different combinations of three books can be selected from 40 books?

Robin did a survey to find the average height of the students in his class. He asked the following question: What is the height of the tallest student in the class? Is Robin's question a statistical question, and why or why not?

An Euler Circuit is: Group of answer choices A path that uses each edge of a graph exactly once and ends at a vertex different from the starting vertex.

45% of the load is 27 tonnes. Find the full load.

suppose that no one demanded a hotel room at $150. At this price how much profit would a hotel owner earn

How many rows of 3 are in 21

What is the full number of 2 to the 67 th power? I need the answer with out the e+17 or whatever it is.

Consider the polynomial p (x) = 16x^4-81y^4. Which of the following are equivalent expressions? Select all that apply A: (4x^2-9y^2) (4x^2-9y^2) B: (4x^2-9y^2) (4x^2+9y^2) C: (4x^2+9y^2) (2x^3y) (2x-3y) D: (4x^2+9y^2) (2x+3y) (2x+3y) E: (4x^2+9y^2)

The weights of the apple in a local supermarket is normally distributed. The mean weight is 45 pounds with a standard deviation of 2.5 pounds. How much do the middle 68% of the apple weigh? Between 42.5 and 47.

The Cincinnati zoo had 25 snakes before the Columbus zoo gave them 5 more. What is the percent increase from the 25 snakes?

Which expression is equivalent to 3/4 (3x - 5) A.-3/2x B. 6x C. 9/4x-15/4 D. 9/4x + 15/4