Solve the problem.The resistance R produced by wiring resistors of R1 and R2 ohms in parallel can be calculated from the formula 
If R1 and R2 are measured to be 5 ohms and 9 ohms respectively and if these measurements are accurate to within 0.05 ohms, estimate the maximum percentage error in computing R.
A. 1.01%
B. 0.84%
C. 1.35%
D. 1.68%
Answer: B
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Find the exact value of y, or state that y is undefined.y = tan-1 (1)
A. 
B. 
C. 
D. 
Solve the problem. Round to the nearest hundredth of a percent if needed.During clinical trials of a new drug intended to reduce the risk of heart attack, the following data indicate the occurrence of adverse reactions among 1000 adult male trial members. What is the probability that an adult male using the drug will experience nausea?
A. 1.90% B. 2.39% C. 2.60% D. 28.89%
Balls of different colors are placed in two urns as follows: 
Based on the data above, given that a ball chosen is blue, what is the probability that it came from urn I?
Fill in the blank(s) with the appropriate word(s).
Find the degree of the polynomial.-6x - 8x7 - 5
A. degree 7 B. degree -8 C. degree -6 D. degree 8