Rationalize the denominator. Assume that all variables represent positive real numbers and that the denominator is not zero.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Choose the equation that matches the graph.
A. x2 = 8y B. 8x2 = -y C. 8y2 = x D. 8x2 = y
Mathematics
Write the decimal as a percent.38
A. 3.8% B. 3800% C. 0.38% D. 1900%
Mathematics
Find the fluid force exerted against the vertically submerged flat surface depicted in the diagram. Assume arbitrary units, and call the weight-density of the fluid w.
A. 
w
B. 125w
C. 
w
D. 
w
Mathematics
Evaluate.Let a = 
i + 
j , b = 
i + 
j. Find a + b.
A. 
i - 
j
B. 
i + 
j
C. 
i + 
j
D. 
i + 
j
Mathematics