Multiply and simplify.-6z ? 
A. 0
B. 36z
C. 1
D. -1
Answer: C
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You sell calculators at a base price of $63 each. To encourage volume purchases, you deduct $2 from the base price for each extra calculator purchased. So, if one calculator is purchased you charge $63. If two are purchased you charge $61 for each calculator. If three are purchased, you charge $59 for each calculator, and so on. ? A. What is the total amount you charge a customer who buys 5 calculators? ? B. What is the total amount you charge a customer who buys 6 calculators? ? C. Write a formula that gives the total amount C, in dollars, you charge a customer who buys n calculators.
What will be an ideal response?
Determine the absolute value of the complex number.z = -2 - 4i
A. 
B. i
C. 2
D. 2i
Write the equation of the quadratic function whose graph is a parabola containing the given points.(0, -2), 
, (-3, -8)
A. y = 
- 3x - 2
B. y = 3x2 + 3x - 2
C. y = 
+ 3x - 2
D. y = 
+ 3x - 1
Solve the equation on the interval 0 ? ? < 2?.sin(4?) = 
A. {0}
B. 
C. 
D. 