Passengers enter an elevator of a building. The elevator moves floors, stops, moves Roman|11|#000000|False|False|False{{{|}}}mathml|CONTAINER_ID_FIELDCogneroEndAlgorithmData&varname=IMPVAR%5F9dbb03296c674c78bfb788510&varid=VARIABLE_ESCAPED_ID_FIELD&rnd=3e918a064c6743978547d6a7871664ed" style="vertical-align:-4px;" varid="VARIABLE_ID_FIELD" variablename="IMPVAR_9dbb03296c674c78bfb788510" class="Wirisformula" /> floors, stops, and then moves floors and stops. The elevator is now floors from the floor. Find the number of floors in building when the passengers enter the elevator on floor.



A.

B.

C.

D.

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Answer: B

Mathematics

Use the empirical probability formula to solve the exercise. Express the answer as a fraction. Then express the probability as a decimal, rounded to the nearest thousandth, if necessary.The table below represents a random sample of the number of deaths per 100 cases for a certain illness over time. If a person infected with this illness is randomly selected from all infected people, find the probability that the person lives 3-4 years after diagnosis.

A. ; 0.058
B. ; 0.538
C. ; 0.029
D. ; 0.35

Use the laws of exponents to simplify. Do not use negative exponents in the answer. Assume that even roots are of nonnegative quantities and that all denominators are nonzero.(32k5m-10)1/5

A. 2km2
B.
C. 5km2
D.  

Solve the problem.If 5000 feet of fencing are used to enclose a rectangular field, the resulting area of the field is  where x is the width of the pen. What is the maximum possible area of the pen?

A. 62,500 ft2 B. 31,250 ft2 C. 1,562,500 ft2 D. 1250 ft2

Solve.The cumulative number of deaths, D, attributed to a certain disease can be modeled by  where  corresponds to 2001,  to 2002, and so on. Estimate the cumulative number of deaths in 2022.

A. 784,648 deaths B. 720,339 deaths C. 8,276,707 deaths D. 779,548 deaths