Solve the system using substitution.
A. all ordered pairs that solve -x + 8y = -7
B. 
C. no solution
D. (7, 0)
Answer: C
Mathematics
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Factor, if possible.t2 + 
t + 
A. Prime polynomial
B. 
2
C. 
D. 
2
Mathematics
Evaluate the expression.-73
A. 21 B. -21 C. -343 D. 343
Mathematics
Find the center and radius of the circle.x2 + y2 + 6x - 2y + 10 = 81
A. (-1, 3), r = 81 B. (-3, 1), r = 9 C. (1, -3), r = 9 D. (3, -1), r = 81
Mathematics
Graph the function. Let f(x) = 
represent the floor function and let g(x) = 
represent the ceiling function.f(x) = 5 + 
A. 
B. 
C. 
D. 
Mathematics