Perform the operation involving rational numbers. Be sure to express your answer in reduced form.
A. 
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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Given matrix A, find the indicated minor.Find M13.A = 
A. 23 B. -19 C. 19 D. 16
Mathematics
Choose the graph that satisfies the given conditions.Quartic polynomial with one x-intercept and a positive leading coefficient
A. 
B. 
C. 
D. 
Mathematics
Refer to the figure in which O is the center of the circle, ray PA is a tangent, m?BOC = 80°, PE = 10 ft, PD = 12 ft, PB = 19 ft, ER = 4 ft, ER = 4 ft, and BR = 5 ft.
Find DC.
Mathematics
Simplify.
A. -a
B. a
C. - 
D. - 
Mathematics