Find the median of the given data set.1.7 hr, 5.7 hr, 8.9 hr, 4.9 hr
A. 5.3 hr
B. 8.9 hr
C. 4.9 hr
D. 5.7 hr
Answer: A
Mathematics
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Use factoring techniques to solve the equation.x2 + 20 = 9x
A. {-5, -4} B. {-5, 4} C. {5, -4} D. {5, 4}
Mathematics
Find the intersection.8x + 6y - 5z = -9, 3x + 3y + 7z = 1
A. x = -57t - 33, y = 71t + 35, z = -6t
B. x = 342t + 33, y = -426t - 35, z = -6t
C. x = 57t + 33, y = -71t + 35, z = -6t
D. x = 57t - 
, y = -71t + 
, z = 6t
Mathematics
If 
, make a graph of 
versus f. Use a horizontal span of 0 to 5.
What will be an ideal response?
Mathematics
Graph the function.Graph f(x) = 
A. 
B. 
C. 
D. 
Mathematics