Find the sum.-23 + [23 + (-3)]
A. -3
B. 43
C. 49
D. 3
Answer: A
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Find the Jacobian 
or 
(as appropriate) using the given equations.
A. 
B. - 
C. 24
D. -24
Use the given information to find the exact value of the trigonometric expression.cos ? = - 
; csc ? < 0
Find cos(2?).
A. - 
B. 
C. 
D. 
Translate to an equation and solve.What number is 4
% of 
Round to the nearest whole number when necessary.
A. 1,390,000 B. 139,000 C. 2409 D. 24,090
Solve.When making a long distance call from a certain pay phone, the first three minutes of a call cost $2.65. After that, each additional minute or portion of a minute of that call costs $0.30. Use an inequality to find the maximum number of minutes one can call long distance for $6.85.
A. at most 23 minutes B. at most 17 minutes C. at most 14 minutes D. at most 3 minutes