Simplify the expression. Write the answer using positive exponents.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Graph the linear inequality.x > 7 
A. 
B. 
C. 
D. 
Mathematics
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. Use the graph to answer the question.
At what time was the temperature 72°?
A. 9 a.m. and 10 a.m. B. 9 a.m. C. 10 a.m. D. 6 p.m.
Mathematics
If a triangle has vertices of 
and 
then the area of the triangle is given by 
Find the area of the triangle with vertices at the given points.(1, -3) (1, 1) (4, 3)
A. 6 B. 2.5 C. 12 D. 5
Mathematics
Find the eccentricity of the conic section shown in the graph.
A. e = 1
B. e = 
C. e = 4
D. e = 
Mathematics