Use the appropriate rounding rule to answer the question with the correct precision or correct number of significant digits.Subtract the weight 2.6 lb from 207 lb.
A. 204 lb
B. -204.4 lb
C. 200 lb
D. 204.4 lb
Answer: A
Mathematics
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Graph the solution set of the system of inequalities or indicate that the system has no solution.
A. 
B. 
C. 
D. 
Mathematics
Determine if the equation is linear.0 = 6
+ 3
A. Not linear B. Linear
Mathematics
Solve the problem.Given that P(A) = 0.53, P(A ? B) = 0.89, and P(A ? B) = 0.22, find P(B).
A. 0.8 B. 0.58 C. 0.36 D. 0.31
Mathematics
Find the equation of the least squares line.The paired data below consist of the test scores of 6 randomly selected students and the number of hours they studied for the test. 
A. y = 33.7 + 2.14x B. y = 33.7 - 2.14x C. y = -67.3 + 1.07x D. y = 67.3 + 1.07x
Mathematics