Find a polar equation for the conic. A focus is at the pole.e = 1; directrix is parallel to the polar axis 1 above the pole
A. r = 
B. r = 
C. r = 
D. r = 
Answer: C
Mathematics
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Solve the inequality algebraically.-3.8x + 8.1 > 16.08
A. x < 2.1 B. x < -2.1 C. x > 2.1 D. x > -2.1
Mathematics
Determine whether the first literal expression is equal to the second literal expression.-a - b, -b + (-a)
A. Yes B. No
Mathematics
Evaluate.12(-7)
A. -96 B. -840 C. -184 D. -84
Mathematics
Express the number in scientific notation.0.000315
A. 3.15 × 10-3 B. 3.15 × 104 C. 3.15 × 10-4 D. 3.15 × 10-5
Mathematics