Simplify.3 ? 10 + 11 ? 7
A. 287
B. 261
C. 441
D. 107
Answer: D
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Solve the problem. Round your result to an appropriate number of significant digits.On a cloudy day, Sun Woo needed to know the height of a window in a building. Sun Woo positioned a mirror on the ground between himself and the building so that when he looked in the mirror, he saw the window. If the mirror was 19.43 cm from his feet and 34.69 m from the base of the building and Sun Woo's eye was 1.83 m above the ground, how high up on the building was the window located? Round to the nearest unit.
A. 102 m B. 327 m C. 1.02 m D. 3.27 m
Solve.A physician orders 0.475 mg of a medication to be taken once daily. How many micrograms of medication are there in the daily dose?
A. 0.000475 mcg B. 0.00475 mcg C. 475 mcg D. 47.5 mcg
Follow the order of operations to work the problem.
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+ 
A. - 
B. - 
C. 
D. 
The graph of a one-to-one function f is given. Sketch the graph of the inverse function f-1, on the same set of axes. Use a dashed line for the inverse.
A. 
B. 
C. 
D. 