Find the solution set of the equation. If the equation has no solution write ? and if the equation is an identity so state.
+ 
= 3
A. ?
B. 
C. {8}
D. 
Answer: B
Mathematics
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Simplify the expression. Assume all variables represent nonzero real numbers.(3n2) ? (5n3)
A. 15n5 B. 8n6 C. 15n6 D. 8n5
Mathematics
Solve and check.
= 
A. x = 
B. x = 
C. x = 
D. x = 
Mathematics
Describe the solution set as an inequality and in interval notation. |4x + 2| < 8
A. x < - 
or x > 
; 
? 
B. x < - 
or x > 
; 
? 
C. - 
< x < 
; 
D. - 
< x < 
; 
Mathematics
Determine whether the indicated ordered pair lies on the graph of the given equation.y = |x|, (-7, 7)
A. Yes B. No
Mathematics