Tell whether the given rational expression is proper or improper.
A. improper
B. proper
Answer: A
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Use the quotient rule to simplify the expression. Write the answer with only positive exponents.
A. -512
B. 522
C. 512
D. 
Find the indicated probability.A sample of 4 different calculators is randomly selected from a group containing 10 that are defective and 37 that have no defects. What is the probability that at least one of the 4 calculators in the sample is defective?
A. 0.630 B. 0.616 C. 0.100 D. 0.370
Use the table to find the probability.The table shows the number of college students who prefer a given pizza topping.
Determine the probability a student prefers veggie toppings given that student is junior or senior. Round to the nearest thousandth.
A. 0.365 B. 0.375 C. 0.585 D. 0.194
Write the equation for the plane.The plane through the points P(5, 5, -52) , Q(-3, -2, 28) and R(-1, 3, -18).
A. 8x + y + 3z = -3 B. 3x + 8y + z = 3 C. 3x + 8y + z = -3 D. 8x + y + 3z = 3