Use similar triangles and a proportion to find the height of the house shown in the figure below.
?
?
Where 
?
A. 16 ft
B. 20 ft
C. 18 ft
D. 72 ft
E. 4 ft
Answer: D
Mathematics
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Solve the equation.
= x + 8
A. {6} B. {5} C. {-5} D. {-6}
Mathematics
Solve.Find the area and perimeter of the figure:
A. area: 
ft2; perimeter: 2
ft
B. area: 
in2; perimeter: 2
in
C. area: 
ft2; perimeter: 1
ft
D. area: 
ft2; perimeter: 2
ft
Mathematics
Verify that the values of the variables listed are solutions of the system of equations.
x = 0, y = 2, z = 5
A. solution B. not a solution
Mathematics
Perform the indicated operations. Express the answer as a single polynomial in standard form.-10x(-2x + 5)
A. -2x2 - 50x B. 20x2 - 50x C. 20x2 + 5x D. -30x2
Mathematics