Solve the system by the elimination method.-5x + 4y = 1-15x + 12y = 3
A. {(4, -5)}
B. {(-5, 4)}
C. {(x, y)|-5x + 4y = 1}
D. ?
Answer: C
Mathematics
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A.
B.
C.
D.
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Factor the expression completely. If the polynomial will not factor, write "prime."6x2 - 18xy - 24y2
A. (x - y)(6x + 18y) B. 6(x - y)(x + 4y) C. 6(x + y)(x - 4y) D. (6x - 6y)(x + 4y)
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Write the statement as an inequality.x is less than 6
A. x ? 6 B. x ? 6 C. x > 6 D. x < 6
Mathematics
The US Postal Service (USPS) will accept only packages with length plus girth no more than 120 inches. (See the figure.)
?
?
What are the dimensions of the largest volume package the USPS will accept?
?
A. inches
B. inches
C. inches
D. inches
E. inches
Mathematics