Solve for y.7x + 9 = 5y - 9
A. y = 
B. y = 
C. y = 7x - 18
D. y = 7x + 18
Answer: A
Mathematics
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Which of the following is equivalent to the expression:? 
A.
?
x
B.
?
x
C.
?
x2
D.
?
x
E.
?
x
Mathematics
Solve the equation.
= 4
A. {-72, -8} B. [72, -8} C. ? D. {8, 72}
Mathematics
22
A. 
B. 
C. 38
D. 352
Mathematics
A state map has county lines as shown. If the counties are to be colored and no two counties which share a border can have the same color, what is the minimum number of colors required for this map? Explain your solution.
What will be an ideal response?
Mathematics