Consider a square as shown in the figure. Find the total length of the four segments making up the stairs.
?
? 
5 in
5 in
?
A. 2.5 in.
B. 10 in.
C. 15 in.
D. 5 in.
E. 20 in.
Answer: B
Mathematics
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Find the coordinates of the vertex and x-intercepts for the quadratic function.f(x) = 4x2 + 16x + 21
A. vertex (2, 5) no x-intercept B. vertex (-2, 5) x-intercept (21, 0) C. vertex (2, 5) x-intercept (21, 0) D. vertex (-2, 5) no x-intercept
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Find the missing side using the Pythagorean Theorem.
A. 
B. 
C. 
D. 57
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Find the distance between the pair of points.(-6, 4) and (4, 6)
A. 96
B. 96
C. 8
D. 2
Mathematics