Solve the equation.9x - 13 + 2x = 7x + 1 - 5x
A. 
B. - 
C. 
D. - 
Answer: C
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Use formulas to find the area of the plane region.
A. 32 mi2 B. 16 mi2 C. 64 mi2 D. 12 mi2
Solve.Linda invests $25,000 for one year. Part is invested at 5%, another part at 6%, and the rest at 8%. The total income from all 3 investments is $1600. The income from the 5% and 6% investments is the same as the income from the 8% investment. Find the amount invested at each rate.
A. At 5%: $5000; at 6%: $10,000; at 8%: $10,000 B. At 5%: $8000; at 6%: $10,000; at 8%: $7000 C. At 5%: $10,000; at 6%: $10,000; at 8%: $5000 D. At 5%: $10,000; at 6%: $5000; at 8%: $10,000
Provide an appropriate response.Suppose a rectangle has length 
and width 
. Which of the following is the best estimate of its perimeter?
A. 22 B. 77 C. 30 D. 17
Solve the equation by the square root property.(x + 1)2 = - 3
A. {2, 4}
B. {-1 ± 
}
C. {-1 - 
}
D. {-1 ± i
}