The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. Use the graph to answer the question.
What temperature was recorded at 10 a.m.?
A. 75 ° F
B. 74 ° F
C. 71 ° F
D. 73 ° F
Answer: D
Mathematics
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Find the product.
? 
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression for the given values. If necessary, round to the nearest tenth.6x + 7y + 6; x = 0, y = 5
A. 36 B. 13 C. 41 D. 47
Mathematics
Answer the question or complete the sentence to make a true statement.When the absolute value of a positive number equals the absolute value of a negative number, the sum of the positive and the negative number is .
A. Positive B. Zero C. Not known D. Negative
Mathematics
Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists.x + y + z=92x - 3y + 4z=7x - 4y + 3z=-2
A. {(- 
+ 
, 
- 
, z)}
B. {(- 
+ 
, 
+ 
, z)}
C. {(
+ 
, 
+ 
, z)}
D. {(
+ 
, 
- 
, z)}
Mathematics