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 names of each decorator and the size of the room.
Give the names of the decorators who will have both enough paint and enough border for their rooms. (Assume a ceiling height of 8' for each room.)
A. {Irina, Sun Woo}
B. {Rosa, Manuel}
C. {Mary, Sam}
D. None
Answer: C
Mathematics
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Find the probability. Round to the nearest ten-thousandth when necessary.A family has five children. The probability of having a girl is 1/2. What is the probability of having no more than 3 boys?
A. 0.5 B. 0.3125 C. 0.8125 D. 0.9688
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Multiply and simplify.5x ? 3x
A. 45x2 B. 45x2m3 C. 45x2m D. 15x2m
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Use f(x) to complete the table for f-1(x).f(x) = 4x - 8
A.
B.
C.
D.
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Perform the indicated operations and simplify the result. Leave the answer in factored form. -
A.
B.
C.
D.
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