Find 
, 
and 
.
?
and 
?
A. 
B. 
C. ?
D. 
Answer: B
Mathematics
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Solve the equation for the indicated variable.5 - (n + 
x) = 5n for n
A. -40 n + 50
B. 
C. 
D. 
Mathematics
Find the domain of the function.
A. {x|8 ? x ? 31} B. {x|-8 ? x ? 31} C. {x|-8 ? x < 8 or 8 < x ? 31} D. {x|x ? -8}
Mathematics
Solve for the amount of discount and amount due.Invoice amt: $4,091Invoice date: July 7Terms: 3/10, n/30Date paid: July 27
A. Amount of discount: $409.10; amount due: $3,681.90 B. Amount of discount: $40.91; amount due: $4,050.09 C. Amount of discount: $0; amount due: $4,091 D. Amount of discount: $122.73; amount due: $3,968.27
Mathematics
Factor completely. If the polynomial is prime, say so.64x2 - 80xy + 25y2
A. (5x - 8y)2 B. (8x - y)2 C. Prime D. (5x + 8y)2
Mathematics