Find the value of the radical expression.5
A. -80
B. 80
C. -20
D. 20
Answer: D
Mathematics
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Decide whether the statement is true or false.If a triangle is obtuse, then it must be scalene.
A. True B. False
Mathematics
If possible, simplify the expression. If any variables exist, assume that they are positive.
- 
A. -1
B. - 
C. 0
D. -6
Mathematics
Solve. x - y + 3z = -102x + z = -3 x + 3y + z = 0
A. (-3, 0, 1) B. (-3, 1, 0) C. (0, -3, 1) D. (0, 1, -3)
Mathematics
Solve. -7t = 56
A) –392 B) 8 C) 49 D) –8 E) 63
Mathematics