Solve the system by substitution, if possible.
A) (11, –2)
B) (8, 4)
C) (–3, 12)
D) (–4, –7)
E) no solution; inconsistent system
E) no solution; inconsistent system
Mathematics
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State whether the graph is or is not that of a function.
A. Yes B. No
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Determine whether the fractions are equal.
and 
A. Yes B. No
Mathematics
Solve.If the cost, C(x), for manufacturing x units of a certain product is given by 
, find the number of units manufactured at a cost of $9000.
A. 120 units B. 100 units C. 50 units D. 30 units
Mathematics
Use the given information to find the unknown length represented by the variable x.A square with an area of 169 square feet 
x
A. 26 ft B. 338 ft C. 52 ft D. 13 ft
Mathematics