Find the opposite of the polynomial.2x2 + 10x - 6
A. -2x2 - 10x + 6
B. 2x2 - 10x + 6
C. -2x2 - 10x - 6
D. -2x2 + 10x + 6
Answer: A
Mathematics
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Solve the problem.A certain radioactive isotope has a half-life of approximately 1450 years. How many years, to the nearest whole number, would be required for a given amount of this isotope to decay to 35% of that amount?
A. 901 years B. 942.5 years C. 2196 years D. 2161 years
Mathematics
The cost C, in dollars, of downloading 
tunes from an Internet music service is given by
.
Here a and b are constants. Solve this equation for n in order to express the number of tunes you can download as a function of the cost C.
?
A. 
B. 
C. 
D. There is no solution.
Mathematics
Solve.V = 
Bh, for B
A. B = 
B. B = 
C. B = 
D. B = 
Mathematics
Convert to a mixed numeral.
A. -3
B. -3
C. -4
D. -2
Mathematics