Provide an appropriate response.What addition fact is illustrated by the fraction-strip model? 
A. 
+ 
= 
B. 
+ 
= 
C. 
+ 
= 
D. 
+ 
= 
Answer: B
Mathematics
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Use implicit differentiation to find dy/dx and d2y/dx2.2y - x + xy = 4
A. 
= - 
; 
= 
B. 
= 
; 
= 
C. 
= 
; 
= 
D. 
= - 
; 
= 
Mathematics
Find the interval of convergence of the series.
A. -? < x < ? B. -119 ? x ? 121 C. x ? 2 D. 0 ? x ? 2
Mathematics
Find the real solutions of the equation.
= 2
A. {9} B. {4} C. {3} D. {5}
Mathematics
Find all integer factors of the given number.30
A. -30, -20, -10, -6, -5, -3, -2, -1, 1, 2, 3, 5, 6, 10, 20, 30 B. -30, -10, -6, -5, 5, 6, 10, 30 C. -30, -5, -1, 1, 5, 30 D. -30, -15, -10, -6, -5, -3, -2, -1, 1, 2, 3, 5, 6, 10, 15, 30
Mathematics