Solve the special system by substitution. If the system is dependent, write the solution using set-builder notation with the common line expressed in slope-intercept form.
A. ?
B. 
C. 
D. (-12, 0)
Answer: C
Mathematics
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Find the area of the trapezoid.
A. A = 116 m2 B. A = 232 m2 C. A = 196 m2 D. A = 816 m2
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Solve.Susan purchased a painting in the year 2000 for 
. Assuming an exponential rate of inflation of 2.2% per year, how much will the painting be worth 5 years later?
A. 
B. $9176.03
C. $7812.90
D. $4891.02
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Find the least common denominator (LCD).
, 
A. (r + 8)2 B. r(r + 1)(r + 8) C. r(r + 8)2 D. r(r + 8)
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Solve.A plot of land which is up for sale is advertised as being 40 acres. If there are 4840 square yards in an acre, how many square yards does the plot of land cover?
A. 194,400 square yards B. 193,200 square yards C. 4880 square yards D. 193,600 square yards
Mathematics