Solve the problem.A pendulum is released and swings until it stops. If it passes through an arc of 15 inches the first pass, and if on each successive pass it travels 
the distance of the preceding pass, how far will it travel before stopping?
A. 25 in.
B. 35 in.
C. 40 in.
D. 10 in.
Answer: A
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Solve.
= 
A. 0
B. 0, 36
C. 4, 6
D. 0, 
Find the quotient.
÷ 
A. - 
B. - 
C. 
D. 
Six different decorators have to paint 6 rooms and put a wallpaper border around each room at the ceiling. One gallon of paint covers 400 sq ft and one roll of border contains five yards. The decorators are trying to save money, so they each would like to use one gallon of paint and three rolls of border. The list gives the name of each decorator and the size of the room. 
Give the names of the decorators who will have neither enough paint nor enough border. (Assume a ceiling height of 8' for each room.)
A. Noriko, Sun Woo B. None C. Sue, Sam D. Juanita, Jose
Find the algebraic expression that is equal to cos (180° - ?). ?
A. 
B. -sin ?
C. sin ?
D. -cos ?
E. cos ?