Solve.A hiking club is trying to construct a rope bridge across a canyon. A 6-foot construction pole held upright casts a 7-foot shadow. At the same time of day, a tree at the edge of the canyon cast a shadow that exactly covers the distance that is needed for the rope bridge. The tree is exactly 89 feet tall. How long should the rope bridge be? (Round to the nearest foot.)
A. 90 ft
B. 623 ft
C. 76 ft
D. 104 ft
Answer: D
Mathematics
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A. No x-intercepts, y-intercept: ;
B. x-intercept: , no y-intercepts ;
C. No x-intercepts, y-intercept: ;
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. (-2)2(-2)3
A. -64
B. -32
C.
D.
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Provide an appropriate response.A stack of books measures inches high and each book is
inch thick. How many books are in the stack?
A. 36 books B. 22 books C. 14 books D. 13 books
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Mathematics