Solve the problem.Using a phone card to make a long distance call costs a flat fee of $0.38 plus $0.13 per minute starting with the first minute. What is an equation of the form 
for this situation?
A. y = 0.13x + 0.38
B. y = 0.38x
C. y = 0.38x + 0.13
D. y = 0.13x
Answer: A
Mathematics
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Identify the type of surface represented by the given equation.
+ 
= 
A.
| Ellipsoid |
B. Elliptical paraboloid
C. Hyperbolic paraboloid
D. Elliptical cone
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Determine whether the given function is exponential or not. If it is exponential, identify the value of the base a.
A. Exponential; a = 2 B. Exponential; a = 6 C. Exponential; a = 8 D. Not exponential
Mathematics
Perform the indicated operation and write your answer with positive integer exponents.
A. m + n B. m - n C. n - m D. -n - m
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Simplify the complex fraction.
A. 
B. 
C. 
D. 
Mathematics