Solve the problem.ABC phone company charges $23 per month plus 3¢ per minute of phone calls. XYZ phone company charges $11 per month plus 6¢ per minute of phone calls. How many minutes of phone calls in a month make XYZ phone company the better deal?
A. More than 400 minutes
B. Less than 400 minutes
C. Less than 40 minutes
D. More than 40 minutes
Answer: B
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Solve.If the resistance in an electrical circuit is held constant, the amount of current flowing through the circuit is directly proportional to the amount of voltage applied to the circuit. When 
are applied to a circuit, 
of current flow through the circuit. Find the new current if the voltage is increased to 
A. 247 milliamperes B. 280 milliamperes C. 130 milliamperes D. 260 milliamperes
Use the properties of logarithms to rewrite the expression. Simplify the result if possible. Assume all variables represent positive real numbers.logb
A. logb2 ? 4logbx - 2logbz
B. 
+ 
- 
C. 
÷ 2logbz
D. logb2 + 4logbx - 2logbz
Find the product of the given complex number and its conjugate. Write the answer in the form a + bi.
+ 3i
A. 5 - 9i B. 14 C. 5 + 9i D. 2
Give the rectangular coordinates for the point.(-2, ?)
A. (0, 2) B. (2, 0) C. (-2, 0) D. (0, -2)