Find 
. Write your answer in standard polar form with the argument in radians.z1 = 6
, z2 = 12
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the equation. Use words or set notation to identify equations that have no solution, or equations that are true for all real numbers. 6x + 6 + 3x + 9 = 2x + 7x + 12
A. {0} B. {96} C. ? D. {x|x is a real number}
Mathematics
Solve the problem.The equation of a line is y = 
x. What is the slope of a line perpendicular to it?
A. - 
B. - 2
C. 
D. 0
Mathematics
Use the given substitution to solve the equation.6x6 + x3 - 7 = 0, u = x3
A. ±
, ±1, ±-
B. -
, 1
C. ±1
D. -
, 1
Mathematics
Find the average rate of change of the function from x1 to x2.f(x) = -3x2 - x from x1 = 5 to x2 = 6
A. -34
B. - 
C. 
D. -2
Mathematics