Write an expression to state the problem and simplify.The length L of a rectangle is 8 inches more than the width W. What is the perimeter of the rectangle?
A. 2(W + 8) + 2W; 4W + 16 inches
B. W(W + 8); W2 + 8W inches
C. (W + 8) + W; 2W + 8 inches
D. Cannot be solved
Answer: A
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Determine if the series 
defined by the formula converges or diverges.a1 = 9, an+1 = 
an
A. Converges B. Diverges
Graph the function.f(x) = 
x
A. 
B. 
C. 
D. 
Work the application. Write a legend and an equation. Solve the equation and answer in a complete sentence.Each box of matches contains 120 matches. Boxes of matches are shipped in cartons. Each carton contains 15 boxes of matches. How many matches are in each carton?
A. Let n = number of matches in each carton. 15 ? n = 120 Each carton contains 135 matches. B. Let n = number of matches in each carton. 120 ? 15 = n Each carton contains 180 matches. C. Let n = number of matches in each carton. 15 ? n = 120 Each carton contains 8 matches. D. Let n = number of matches in each carton. 120 ? 15 = n Each carton contains 1800 matches.
Suppose that ? is in standard position and the given point is on the terminal side of ?. Give the exact value of the indicated trig function for ?.(0, -9); Find cos ?.
A. 0 B. 9 C. 1 D. -9