Classify the triangle as equilateral, isosceles, or scalene. Also, classify the triangle as acute, right, or obtuse.
A. isosceles; obtuse
B. isosceles; acute
C. scalene; obtuse
D. scalene; acute
Answer: C
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Find the exact value of the expression.tan 345°
A. 
B. 2 + 
C. -2 - 
D. 
Find the solution or solutions, if any exist, to the system.
A. infinitely many solutions of the form x = -7 - 
z, y = 
z, z = z
B. infinitely many solutions of the form x = 7 - 
z, y = 
z, z = z
C. infinitely many solutions of the form x = -7 - 
z, y = 2z, z = z
D. infinitely many solutions of the form x = 7 - 
z, y = 2z, z = z
Translate the sentence into an equation and solve it.The difference between four times n and eight is equal to twenty-three less than n. Find n.
A. 8 - 4n = 23 - n, n = 5 B. 4n - 8n = n - 23, n = 5 C. 4n - 8 = n - 23, n = -5 D. 8n - 4n = 23 - n, n = -5
Multiply.0 ? 31
A. 31
B. 1
C. 
D. 0