Evaluate the radical expressions or indicate that the root is not a real number.
A. -8
B. 2
C. -2
D. not a real number
Answer: C
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150 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean ? = 65 and standard deviation ? = 10.A score of 85 corresponds to a standardized value of
A. 2. B. 8.5. C. 20. D. -2. E. none of these
Find an equation in standard form for the ellipse that satisfies the given conditions.An ellipse with major axis from (-8, 1) to (4, 1); minor axis from 
to 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Solve.A physician prescribes one 0.1 mg tablet of a medication to be taken twice a day for 7 days. How many total mcg of the medication will the patient have taken after 7 days?
A. 700 mcg B. 1.4 mcg C. 0.7 mcg D. 1400 mcg
Find the exact value of the logarithmic expression.ln e
A. e B. -1 C. 1 D. 0