Answer:
C
Step-by-step explanation:
9x² - 4
can be factored as a difference of squares , that is
(U + V)(U - V)
9x² - 4 = (3x)² - (2y³)²
with U = 2x and V = 2y³
A flagpole 13m tall casts a 7m shadow. At the same time of day a building casts a 46m shadow. How tall is the building?
1 answer:
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x= 3
AC = 22
hope it helps you...
