Solve the equation by the method of your choice. Simplify irrational solutions, if possible.8x2 + 30x + 14 = -11
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. -1
B. 
C. -30
D. 
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
From the list below find the expression equivalent to
?
?
A. 
B. 
C. 
?
D. 
E. 
Mathematics
Solve.The area code for a phone number in a city can be either 813 or 218. The rest of the 7-digit phone number can be formed with the digits 0 through 9. How many phone numbers can the city have before it needs to have another area code?
A. 1,000,000 B. 18,000 C. 130,000 D. 20,000,000
Mathematics