Each of six decorators has to paint a room (walls only) and put a wallpaper border around the room at the ceiling. One gallon of paint covers 400 sq ft, and one roll of border contains five yards. Each decorator has 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. {Mary, Sam}
B. {Yong Sun, Ajay}
C. {Juanita, Pedro}
D. None
Answer: C
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Find T, N, and B for the given space curve.r(t) = 
i + 
j + 4tk
A. T = 
(sin 3t)i - 
(cos 3t)j ; N = (-sin 3t)i - (cos 3t)j ; B = 
(cos 3t)i - 
(sin 3t)j - 
k
B. T = 
(cos 3t)i - 
(sin 3t)j ; N = (-sin 3t)i - (cos 3t)j ; B = 
(cos 3t)i - 
(sin 3t)j - 
k
C. T = 
(cos 3t)i - 
(sin 3t)j + 
k ; N = (-sin 3t)i - (cos 3t)j ; B = - 
k
D. T = 
(cos 3t)i - 
(sin 3t)j + 
k ; N = (-sin 3t)i - (cos 3t)j ; B = 
(cos 3t)i - 
(sin 3t)j - 
k
Provide an appropriate response.Perform the indicated operation. Express as an ordinary number. 7.35 ÷ 
Fill in the blank(s) with the appropriate word(s).
Solve the system of equations by the addition method. If the system does not have a single ordered pair as a solution, state whether the system is inconsistent or dependent. x + 4y = -4 2x + 5y = -5
A. No solution, inconsistent B. (0, -1) C. (1, 0) D. (1, -2)
Find the sum of the finite geometric series.The first 11 terms of the series whose terms are an = 2
n-1
A. S11 = 177,046 B. S11 = 177,146 C. S11 = 177,286 D. S11 = 88,573