Show that the following is true.
?
What will be an ideal response?
Mathematics
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Solve the problem.The population of a town is increasing by 400 inhabitants each year. If its population at the beginning of 1990 was 22,778, what was its population at the beginning of 1998?
A. 25,578 inhabitants B. 182,112 inhabitants C. 364,224 inhabitants D. 25,978 inhabitants
Mathematics
Factor the four-term polynomial by grouping.xy + 10x - 5y - 50
A. (y - 10)(x + 5) B. (x + 10)(y - 5) C. (y + 10)(x - 5) D. (x - 10)(y + 5)
Mathematics
Rewrite the trigonometric expression as an algebraic expression involving the variable u. Assume that 
and that the value of the "inner" inverse trigonometric expression represents an angle ? such that 
tan (csc-1 u)
A. 
B. 
C. 
D. 
Mathematics
Multiply.-7x(2x + 5)
A. -49x2 B. -14x2 - 35x C. -14x2 + 5x D. 2x2 - 35x
Mathematics