Change the word statement to an equation. Use x as the variable.Twice a number less 9 equals 3.
A. 2(x - 9) = 3
B. 9 - 2x = 3
C. 2x - 9 = 3
Answer: C
Mathematics
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Find the magnitude.Let u = 
and v = 
. Find the magnitude (length) of the vector: 3u - v.
A. 
B. 85
C. 73
D. 
Mathematics
Solve the system, if possible. If a solution exists, give the value of x.
?
?
A. 
B. 
C. 
D. 
E. no solution
Mathematics
Perform the indicated operation.
A. 45.31 B. 45.41 C. 46.31 D. 46.41
Mathematics
Identify the place occupied by the underlined digit.4
,389
A. Hundreds B. Thousands C. Ten thousands D. Tens
Mathematics