?Find the sum of the vectors ?
and 
.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: C
Mathematics
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Find the GCF of 16, 18, and 20.
A. 10 B. 8 C. 1 D. 2
Mathematics
Provide an appropriate response.
What is the interest on $25,000 principal at the interest rate of 6% for 
year?
A. $375 B. $416 C. $1,500 D. $104
Mathematics
Factor completely. If the polynomial is prime, state so.9x2 + 42x + 49
A. (3x + 7)(3x - 7) B. (3x - 7)2 C. (3x + 7)2 D. (9x + 1)(x + 49)
Mathematics
Determine whether the following matrix is in row-echelon form. If it is, determine if it is also in reduced row-echelon form.
?
?
?
A. Row-echelon form B. Not in row-echelon form C. Reduced row-echelon form
Mathematics