Use rational exponents to simplify the expression, if possible. Then, write the answer in radical form.
? 
A. v
B. v4
C. v2
D. 
Answer: A
Mathematics
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Solve the problem.In a chemistry class, 5 liters of a 4% silver iodide solution must be mixed with a 10% solution to get a 6% solution. How many liters of the 10% solution are needed?
A. 1.5 L B. 2.5 L C. 3.5 L D. 5.0 L
Mathematics
Find the focus and directrix of the parabola with the given equation.x = 3y2
A. focus: 
directrix: x = - 
B. focus: 
directrix: x = 
C. focus: 
directrix: x = - 
D. focus: 
directrix: y = - 
Mathematics
Graph the function.y = -4e-x/2 + 2
A. 
B. 
C. 
D. 
Mathematics
Find the expected value of the probability density function to the nearest hundredth.f(x) = 
; [2, 8]
A. 5.00 B. 5.33 C. 6.50 D. 4.50
Mathematics