A pair of similar triangles is shown. Find the measure of the segment marked with the letter x.
A. x = 5
B. x = 8
C. x = 7
D. x = 6
Answer: D
Mathematics
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Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
Mathematics
Which of the following writings have teachers used to launch mathematical problem solving activities?
a. Shel Silverstein poetry b. Harry Potter c. Alice's Adventures in Wonderland d. All of the above e. None of the above
Mathematics
Which method should be used to solve the system? Explain your answer, including a description of the first step.-4x2 + 3y2 =16-10x - 10y =8
What will be an ideal response?
Mathematics
Solve the equation.
- 
= 0
A. {3, 3} B. {-2, 3} C. ? D. {3}
Mathematics