Convert the rectangular equation to polar form.x = 2
A. r = 
B. cos ? = 2
C. r = 2
D. r = 
Answer: A
Mathematics
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Write the first six terms of the geometric sequence with first term, a1, and common ratio, r.a1 = 
, r = 
A. 
, 
, 
, 
, 
, 2
B. 
, 
, 
, 
, 
, 
C. 
, 
, 
, 
, 2, 
D. 
, 
, 
, 
, 
, 
Mathematics
Use multiplication to simplify the side of the equation with the variable. Then solve the equation.
(
x) = -21
A. x = -1 B. x = -7 C. x = 7 D. x = -3
Mathematics
Multiply.(3)(-5)(-9)(4)(-1)
A. -540 B. 36 C. 540 D. 522
Mathematics
Find the values of x that satisfy the given condition for the function.Solve R(x) ? 0 if R(x) = 
A. (-?, -7) B. (-?, -7) ? [3, ?) C. [3, ?) D. (-7, 3]
Mathematics