Use a percent proportion to answer the question.35% of what number of meters is 70 meters?
A. 2000 meters
B. 0.5 meters
C. 200 meters
D. 50 meters
Answer: C
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Find the vertex, the focus, and the directrix of the parabola.(y + 2)2 = 20(x + 3)
A. V: (3, 2); F: (8, 2); D: x = -2 B. V: (-3, -2); F: (2, -2) ; D: x = -8 C. V: (-3, -2); F: (-8, -2); D: x = 2 D. V: (-2, -3); F: (3, -3); D: x = -7
Find the derivative of y with respect to the independent variable.y =log8
A. 
B. 
(sec ? csc ? - ln 5 -1)
C. 
(cot ? - tan ? - ln 5 -1)
D. e8(cos ? - sin ? - e?5?)
Write the set in set-builder notation.{-6, -5, -4, -3, ...}
A. {x | x is an integer greater than -7} B. {x | x is an integer between -7 and -2} C. {-6, -5, -4, -3} D. {x | x is any integer}
Solve.A flagpole casts a shadow of 36 ft. Nearby, a 10-ft tree casts a shadow of 2 ft. What is the height of the flag pole? Round to the nearest tenth of a foot, if necessary.
A. 7.2 ft B. 720 ft C. 0.6 ft D. 180 ft