Solve the system of equations by the substitution method.
A. (- 
, - 
)
B. (- 
, - 
)
C. infinite number of solutions
D. no solution
Answer: B
Mathematics
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Find the area.
A. 200 in.2 B. 240 in.2 C. 600 in.2 D. 300 in.2
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Two movie theaters, UAI and UAII, start their movies at 7:00 P.M. The movie at UAI takes 75 minutes and the movie at UAII takes 90 minutes. If the shows run continuously, when will they again start at the same time? ?
A. 11:30 A.M. B. 2:30 A.M. C. 10:00 P.M. D. 12:00 P.M. E. 2:30 P.M.
Mathematics
Solve the inequality.x2 - 4.02x - 39.12 < 0(Give approximations rounded to the nearest hundredth.)
A. (4.56, -8.58) B. (-4.56, 8.58) C. (-?, 8.58) ? (-4.56, ?) D. (-?, 4.56) ? (-8.58, ?)
Mathematics
Simplify the exponential expression. Assume that variables represent nonzero real numbers.
-1
A. 
B. 
C. 
D. 
Mathematics