Write a numerical expression for the phrase and simplify it.The quotient of -112 and the sum of 12 and 4
A. -112 + 12 + 4; -96
B. 
; 7
C. 
; -7
D. 
; - 
Answer: C
Mathematics
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Solve for the angle ?, where 0 ? ? ? 2?sin 2? + cos ? = 0
A. ? = 
, 
, 
, 
B. 
, 
, 
, 
C. ? = 
, 
, 
, 
D. ? = 
, 
, 
, 
Mathematics
Find the reciprocal.
A. 
B. 
- 
C. 
D. 6(a - b)
Mathematics
Write and solve an equation to answer the question. Round your answer to the nearest tenth of a percent, if necessary.140 trains is what percent of 1780 trains?
A. 0.0% B. 7.9% C. 1271.4% D. 0.1%
Mathematics
Use estimation to determine which calculation is incorrect.
A. 
B. 
C. 
D. 
Mathematics