For the triangle, based on the side lengths given, decide whether it is equilateral, isosceles, or scalene. 
A. scalene
B. isosceles
C. equilateral and isosceles
Answer: C
Mathematics
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Perform the indicated operation.Let A = 
and B = 
. Find A - B.
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Express the answer so that all exponents are positive. Whenever an exponent is 0 or negative, we assume that the base is not 0.
-1
A. 
B. 
C. 
D. 
Mathematics
Write a polar equation in r and ? of an ellipse with the focus at the origin, with the eccentricity  FIGURE 1.png)
and directrix x = -13.
 multiple choice.png)
Mathematics
Give the domain and range of the function.f(x) = x2 + 2
A. Domain: all real numbers; Range: [2, ?) B. Domain: [0, ?); Range: [0, ?) C. Domain: all real numbers; Range: [5, ?) D. Domain: [2, ?); Range: all real numbers
Mathematics