Solve the equation algebraically. Verify your solution with a graphing utility.7(x + 6) = (7x + 42)
A. {84}
B. {0}
C. all real numbers
D. no solution
Answer: C
Mathematics
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Convert the improper fraction to a mixed number.
A. 54
B. 
C. 4
D. 54
Mathematics
Provide an appropriate response.Does the graph of f(x) = 
have a tangent at the origin? Give reasons for your answer.
What will be an ideal response?
Mathematics
Provide an appropriate response. A boat traveled 36 miles down river, with the current of the water, in 2.25 hours. On the return trip, against the current, the trip took 3 hours. What was the rate of the boat in calm water?
A. 16 mph B. 14 mph C. 2 mph D. 12 mph
Mathematics
Evaluate the absolute value expression.-|-20|
A. 40 B. -20 C. 20 D. 0
Mathematics