Graph the polar equation for ? in [0°, 360°).r = 5 (cos ? + cos 2?)
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Determine ? in decimal degrees. Round results to an appropriate number of significant digits.sin ? = 0.388
A. 25.0° B. 25° C. 23.0° D. 23°
Mathematics
Write an expression for the general or nth term, an, for the geometric sequence.3, 6, 12, 24, . . .
A. an = 3 ? 2n B. an = -3 ? (-2)n-1 C. an = 3 ? 2 D. an = 3 ? 2n-1
Mathematics
For the point given in rectangular coordinates, find equivalent polar coordinates 
for 
and 
(0, -9)
A. (9, 180°) B. (-9, 0°) C. (9, 90°) D. (9, 270°)
Mathematics
Provide an appropriate response.Find 
if 
What will be an ideal response?
Mathematics