Graph the function.y = 4-x 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the square root.
A. 
B. 3
C. 81
D. Not a real number
Mathematics
Given the following properties of a triangle find angle A.
Mathematics
Solve the problem.A railroad tunnel is shaped like a semi-ellipse. The height of the tunnel at the center is 20 ft and the vertical clearance must be 10 ft at a point 15 ft from the center. Find an equation for the ellipse. 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Solve.In a chemistry class, the following test scores were recorded for a student: 79, 76, 74, 73, 82, 78. Find the mean, median, and mode for the data.
A. mean: 76, median: none, mode: none B. mean: 78, median: none, mode: 82 C. mean: 77, median: 73, mode: 82 D. mean: 77, median: 77, mode: none
Mathematics