Solve the problem.Anne and Carol can paint a room in 13 hours working together. Anne takes 6 hours longer to paint the room working alone than it takes Carol working alone. How long does it take Carol to paint the room by herself?
A. 10 + 
hr
B. 29 hr
C. 16 + 
hr
D. 23 hr
Answer: A
Mathematics
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Perform indicated operation and round as indicated.1,254 ÷ 38.0 round to the nearest tenth
A. 3.3 B. 330.0 C. 34.0 D. 33.0
Mathematics
Factor out the negative sign with the GCF.-6x3 - 12x2 + 9x
A. -3(2x3 + 4x2 - 3x) B. -3x(2x2 - 4x + 3) C. -3x(2x2 + 4x - 3) D. -6x(x2 + 2x - 3)
Mathematics
Find the equation of the parabola corresponding to the given information.The parabola has focus and directrix as shown.
A. x = - 
y2
B. x = 
y2
C. y = 
x2
D. y = - 
x2
Mathematics
The graph of a function f is given. Use the graph to answer the question.For what values of x is f(x) < 0?
A. (-?, -15) B. [-25, -15), (17.5, 25) C. (-15, 17.5) D. (-15, ?)
Mathematics