If a triangle has vertices of 
and 
then the area of the triangle is given by 
Find the area of the triangle with vertices at the given points.(1, -3) (1, 1) (4, 3)
A. 6
B. 2.5
C. 12
D. 5
Answer: A
Mathematics
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Sketch the given surface.x = 1 - y2 - z2
What will be an ideal response?
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Divide. Write the answer in lowest terms and as a whole or mixed number where possible.
A. 60
B. 2
C. 12
D. 
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Solve.A cube has a surface area of 6x2 + 108x + 486. Find the length of a side.
A. x - 9 B. x + 9 C. x + 54 D. 6(x + 9)
Mathematics
How high do we need to be on Earth to see 7 miles?
On Earth, the distance to the horizon is given by 
, where d is in miles to the horizon and h is in feet above sea level.
Mathematics