Use the quadratic formula to solve the equation.x2 + x + 4 = 0
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Write the percent as a fraction or mixed number in simplest form.12.5%
A. 1
B. 
C. 
D. 
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 0 B. -12 C. 1 D. -4
Mathematics
Simplify the expression using the order of operations.(-4)2 - 32
A. 7 B. -14 C. -7 D. 25
Mathematics
A phone company charges $13.00 per month plus $0.02 per call. Find a rational function that expresses the average cost y of a call in a month when x calls were made. ?
A. 
B. 
C. 
D. 
E. 
Mathematics