Solve the equation. Check your solution.
x - 
x = 4
A. {-28}
B. {32}
C. {28}
D. {-32}
Answer: D
Mathematics
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Which of the following statements is(are) true for a right angle triangle?
a. The sum of the angles equals 90 degrees. b. The hypotenuse is the shortest side. c. One of the angles must be 180 degrees. d. The sum of the angles equals 180 degrees and one of the angles must be 90 degrees. e. All of the above are true.
Mathematics
Find the foci of the ellipse.
+ 
= 1
A. (-2, -11), (-2, 21) B. (-7, -2), (17, -2) C. (-11, -2), (21, -2) D. (-2, -7), (-2, 17)
Mathematics
Classify the polynomial as a perfect square trinomial, a difference of squares, or neither.9n2 - 16
A. Neither B. Difference of squares C. Perfect square trinomial
Mathematics
Graph the function.f(x) = ex
A. 
B. 
C. 
D. 
Mathematics