Add.-8 + 4
A. 4
B. 12
C. -4
D. -12
Answer: C
Mathematics
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Find the slope of the line through the points.(16, -9) and (15, 11)
A. 20
B. - 20
C. - 
D. 
Mathematics
Find all replacements (less than the modulus) for the question mark that make the statement true.5 + 5 ? ? (mod 5)
A. 4 B. 3 C. 2 D. 0
Mathematics
Solve the system by using Gaussian elimination with backward substitution or by reducing the matrix to reduced-row echelon form.x+ 3y+ 4z= -14 2y+ 3z= -7? z= -3
A. (-3, 1, -5) B. (-5, -3, 1) C. (-5, 1, -3) D. No solution
Mathematics
Determine the coordinates of the indicated point on the graph. 
D
A. (3, 5) B. (4, -3) C. (5, 3) D. (-3, 4)
Mathematics