Solve the equation.|5m + 4| = 9
A. 1, - 
B. - 1, 
C. 
, - 
D. empty set
Answer: A
Mathematics
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Find all solutions in [0, 2?) for the equation.3 tan
- 
= 0
A. 
B. 
C. 
D. 
Mathematics
Evaluate the determinant.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Assume the distribution is normal. Use the area of the normal curve to answer the question. Round to the nearest whole percent.The mean monthly income of trainees at a local mill is $1100 with a standard deviation of $150. Find the probability that a trainee earns less than $900 a month.
A. 19% B. 8% C. 90% D. 9%
Mathematics
Find the area of the triangle. If necessary, round the answer to two decimal places.a = 12, b = 15, ? = 52°
A. 70.92 B. 88.80 C. 141.84 D. 35.46
Mathematics