Describe the graph of the polar equation. 2r cos ? + r sin ? = 4
A. Vertical line passing through (2, 0)
B. Line with slope 4 and y-intercept (0, 2)
C. Parabola with vertex (2, 4) opening upward
D. Line with slope -2 and y-intercept (0, 4)
Answer: D
Mathematics
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A. 18(2? + 3
)
B. 9(2? - 3
)
C. 9(2? + 3
)
D. 18(2? - 3
)
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 figure 2.png)
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?
?
Round to three significant digits.
?
S = __________ km2
Fill in the blank(s) with the appropriate word(s).
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Find the reference angle for the given angle.390°
A. 45° B. 90° C. 30° D. 60°
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