Find the LCD of the list of fractions.
, 
A. 45
B. 18
C. 3
D. 15
Answer: D
Mathematics
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Suppose that y varies directly with x. Find an equation that relates x and y.y = 13 when x = 4
A. y = 0.31x B. y = 3.25x C. x = 3.25y D. y = 13x
Mathematics
Evaluate the integral.
A. 
e9
B. 
e3
C. 
D. 
Mathematics
Find all rational zeros of f. Then (if necessary) use the depressed equation to find all roots of the equation f(x) = 0.f(x) = 2x4 + 9x3 - 6x2 - 45x - 20
A. {
, 4, -
, 
}
B. {-4, - 
, -
, 
}
C. {- 
, 4, -
, 
}
D. {-4, 
, -
, 
}
Mathematics
Determine whether the ordered triple is a solution to the given linear system.(7, 2, -5)
A. No B. Yes
Mathematics