Of 13 possible books, you plan on taking 7 with you on a vacation. how many different collections of 7 books can you take?

Acontractor needs 54 square feet of brick to construct a rectangular walkway. the length of the walkway is 15 feet more than the width. write an equation that could be used to determine the dimensions of the walkway. solve this equation to find the length and width, in feet, of the walkway.

Simplify 6sin θsec θ. choices a) 6 tan θ b) 6 cos θ c) 6 cot θ d) 6

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer