Solve. If necessary, round to the nearest tenth.A flagpole casts a shadow of 20 feet. Nearby, a 5-foot tree casts a shadow of 3 feet. What is the height of the flagpole?
A. 0.8 ft
B. 300 ft
C. 33.3 ft
D. 12 ft
Answer: C
Mathematics
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Provide an appropriate response.If a parabola opens downward, the highest point on the graph is called the 
of the parabola.
A. axis B. top C. middle point D. vertex
Mathematics
Find the indicated cardinal number.Find n(A) given that n(A × B) = 22 and n(B) = 2.
A. 11 B. 20 C. 2 D. 24
Mathematics
Evaluate the improper integral or state that it is divergent.
A. 
B. -4?
C. - 
D. 0
Mathematics
Rewrite the expression as a single logarithm.logb(a) - logb(z)
A. log2b 
B. logb 
C. logb 
D. logb(a - z)
Mathematics