Solve the system of equations. If there is no solution to the system, give a reason.5x + 2y + z = -112x - 3y - z = 177x + y + 2z = -4
A. (0,-6, 1)
B. (3, 0, -4)
C. (0, 6, -1)
D. (-3, 0, 4)
Answer: A
Mathematics
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Find the nth term an of the geometric sequence.1.4, -0.84, 0.504, -0.3024, . . .
A. an = -1.4(0.06)n B. an = 1.4(-0.6)n C. an = -1.4(0.6)n-1 D. an = 1.4(-0.6)n-1
Mathematics
Solve.-4a = 28
A. 1 B. 32 C. -7 D. -32
Mathematics
Provide an appropriate response.If 6 is substituted for x in the rational expression 
, the result is 
. Mathematicians have been known to say "Any number divided by itself is 1." Does this mean that this expression is equal to 1 for x = 6? Explain why or why not.
What will be an ideal response?
Mathematics
The bar graph below shows the number of students by major in the College of Arts and Sciences. Answer the question.
Which major has about 400 students?
A. English B. History C. Science D. Math
Mathematics