Solve the problem.If 7 sandwich rolls cost $1.12, how much will 19 rolls cost?
A. $4.04
B. $3.04
C. $7.84
D. $9.84
Answer: B
Mathematics
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Find the domain of x in the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Multiply.(13 + x)(13 - x)
A. 169 - 26x - x2 B. 169 - x2 C. 26 - x2 D. 169 + 26x - x2
Mathematics
Determine whether the lines through each pair of points are parallel, perpendicular, or neither.(8, 0) and (-12, 20); (1, -9) and (-9, 1)
A. perpendicular B. neither C. parallel
Mathematics
Determine whether the given lines are parallel, perpendicular, or neither.y = 7x - 5y = 7x - 1
A. Parallel B. Perpendicular C. Neither
Mathematics