Use the cofunction identities to find an angle ? that makes the statement true.tan (2? - 140°) = cot (? + 5°)
A. ? = 6°
B. ? = 75°
C. ? = 10°
D. ? = 16°
Answer: B
Mathematics
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Solve the problem.How many odd three-digit numbers can be written using digits from the set 
if no digit may be used more than once?
A. 16 B. 60 C. 18 D. 24
Mathematics
Solve.It takes 
lb of flour to make a cake. How much flour is needed to make 4 cakes?
A. 
lb
B. 
lb
C. 
lb
D. 
lb
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Find all solutions to the equation in the interval [0, 2?).sin 2x = -sin x
A. 0, 
, ?, 
B. 
, 
, 
, 
C. No solution
D. 
, 
Mathematics
Solve the inequality. Express your answer using interval notation. Graph the solution set.|x| < 4
A. (-?, -4) ? (4, ?)
B. [-4, 4]
C. (-4, 4)
D. (-?, 4]
Mathematics