The horizontal length of the roof is 30 feet. What is the total area of the roof that will need shingles?

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.