Determine whether the matrix is in row-echelon form. If it is, then determine also whether it is in reduced row-echelon form.
A. Yes; yes
B. Yes; no
C. No
Answer: C
Mathematics
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Solve the given differential equation.D4y + 5 D3y - 9 D2y - 45 Dy = 0
A. y = C1 + C2e3x + C3e-3x+ C4e-5x B. y = C1 + C2e3x + C3e-3x + C4e5x C. y = C1e3x + C2e-3x + C3e5x D. y = C1e3x + C2e-3x+ C3e5x
Mathematics
Express the set in roster form.The set of all whole numbers greater than 2 and less than 6
A. {3, 4, 5, 6} B. {3, 4, 5} C. {2, 3, 4, 5, 6} D. {2, 3, 4, 5}
Mathematics
Factor.3x2 + 11x + 10
A. (3x - 8)(x + 2) B. (x - 8)(x + 2) C. (3x + 5)(x + 2) D. (x + 5)(x + 2)
Mathematics
Solve. Remember to insert units when writing your answer.How many gallons of punch have been prepared if 10 pt 1 c of fruit juice is mixed with 
of ginger ale? Give your answer as a mixed number.
A. 2
gal
B. 1
gal
C. 2
gal
D. 5
gal
Mathematics