Determine ? in decimal degrees. Round results to an appropriate number of significant digits.sin ? = 0.23
A. 13.0°
B. 16°
C. 13°
D. 16.0°
Answer: C
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Solve the problem.On a buying trip in Los Angeles, Rosaria Perez ordered 120 pieces of jewelry: a number of bracelets at $10 each and a number of necklaces at $14 each. She wrote a check for $1440 to pay for the order. How many bracelets and how many necklaces did Rosaria purchase?
A. 65 bracelets and 55 necklaces B. 55 bracelets and 65 necklaces C. 70 bracelets and 50 necklaces D. 60 bracelets and 60 necklaces
Solve the inequality 
. Restrict your attention to positive values of x. Round your answer to two decimal places.
?
A. ?
B. 
C. ?
D. ?
Verify the identity.
2 = 1 - sin ?
What will be an ideal response?
Find the foci and endpoints of each axis for the given ellipse.16x2 + 4y2 = 64
A. Foci: (± 12, 0); vertices: (± 4, 0);
endpoints of the minor axis: (0, ± 16)
B. Foci: (0, ± 12); vertices: (0, ± 16);
endpoints of the minor axis: (± 4, 0)
C. Foci: (0 , ±
); vertices: (0, ± 4);
endpoints of the minor axis: (± 2, 0)
D. Foci: (±
, 0); vertices: (± 4, 0);
endpoints of the minor axis: (0, ± 2)