Solve the problem.The area of a triangle is 12x3 - 50x2 - 42x. Find a polynomial that expresses the length of the base if the height is x.
A. 6x3 - 25x2 - 21x
B. 24x3 - 100x2 - 84x
C. 12x2 - 50x - 42
D. 24x2 - 100x - 84
Answer: D
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Subtract.9 - 4 - 8 - 5
A. 
B. 8
C. 
D. 18
For the pair of similar triangles, find the length of the indicated side.
?
In the left triangle, the hypotenuse has length 10, and the longer leg has length 8. In the right triangle, the hypotenuse has length 5, the longer leg has length 4, and the shorter leg has length 3. Find the length, x, of the shorter leg of the left triangle.
A. x = 4 B. x = 6 C. x = 3 D. x = 9
Determine which value(s), if any, must be excluded from the domain of the variable in the expression.
A. x = -6
B. x = 0, x = - 
C. x = -36
D. none
Determine the exact values of the three trigonometric functions csc, sec, and cot of the angle ?.
?
??
where 
?
A. csc ? = 
sec ? = 
cot ? = 
B. csc ? =
sec ? = 
cot ? =
C. csc ? =
sec ? = 
cot ? = 
D. csc ? =
sec ? = 
cot ? = 
E. csc ? =
sec ? = 
cot ? = 