Use the distributive property to multiply. Then, if possible, simplify the resulting expression.3(7 + m)
A. 21m
B. 21 + m
C. 21 + 7m
D. 21 + 3m
Answer: D
Mathematics
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Answer the question.Fred has taken two exams so far in his Chemistry course. His scores are 98 and 91. What is the average of these scores?
A. 94.2 B. 91.8 C. 94.5 D. 95.7
Mathematics
Provide an appropriate response.The transition matrix for a Markov process is:State 
State 
= PFind the first state matrix if the initial state is S0 = 
.
A. [0.468 0.532]
B. [0.9 0.1]
C. [0.3 0.7]
D. 
Mathematics
Graph the system of inequalities. Shade the region that represents the solution set.x2 + y ? 1x2 - y ? 2
A. 
B. 
C. 
D. 
Mathematics
Find the slope of the line through the pair of points.(-1, 0) and (0, -3)
A. - 
B. 
C. 3
D. - 3
Mathematics