Determine whether the two systems of linear equations yield the same solutions. If so, find the solutions using matrices.
a. x = 6, y = 3, z = –1
b. x = –6, y = –3, z = –1
c. x = 3, y = –1, z = –6
d. The systems yield different solutions.
d. The systems yield different solutions.
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Solve the problem.Mara can type 56 words per minute. How many words would she type in 
hour (45 minutes)?
A. 75 words B. 42 words C. 1,890 words D. 2,520 words
Use synthetic division to divide f(x) by x - k for the given value of k. Then express f(x) in the form 
for the given value of k.f(x) = -5x4 + x3 + 2x2 + 3x - 1; k = 1
A. f(x) = (x - 1)(-5x3 + 6x2 - 4x - 1) B. f(x) = (x - 1)(-5x3 - 4x2 - 2x + 1) C. f(x) = (x - 1)(-5x3 + 4x2 - 2x - 1) D. f(x) = (x - 1)(-5x3 + 4x2 + 6x + 9)
Solve.Harry cuts a board 
feet long from one 14 feet long. How long is the remaining piece?
A. 10
feet
B. 11
feet
C. 10 feet
D. 10
feet
Multiply. Write the answer in lowest terms. 
? 
A. 
B. 
C. - 
D. - 