Find a polar equation for the conic. A focus is at the pole.e = 1; directrix is parallel to the polar axis 3 above the pole
A. r = 
B. r = 
C. r = 
D. r = 
Answer: B
Mathematics
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Decide whether or not the ordered pair is a solution to the equation.5x - 4y = 40; (4, 5)
A. Yes B. No
Mathematics
Solve the problem.A quality-control inspector examined 250 calculators and found 12 of them to be defective. At this rate, how many defective calculators will there be in a batch of 23,500 calculators?
A. 1128 B. 3000 C. 8 D. 94
Mathematics
Use identities to find the exact value of the indicated trigonometric function of the acute angle ?.sin ? = 
, cos ? = 
Find cot ?.
A. 2
B. 3
C. 
D. 
Mathematics
Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(8x + 5)2
A. 8x2 + 25 B. 8x2 + 80x + 25 C. 64x2 + 80x + 25 D. 64x2 + 25
Mathematics