Solve the absolute value inequality. Write your answer in interval notation.|x - 18| < 3

A. (15, 21)
B. (-?, 15)
C. (-21, -15)
D. (-?, 21)


Answer: A

Mathematics

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Find an exponential model for the following data set. Round your answer to two decimal places.  t 0 3 6 9 y 3.04 5.25 9.07 15.67?

A.
B. ?
C. ?
D. ?

Mathematics

Solve the problem.Computer Specialists is planning a group vacation to one of the following locations: Alaska (A), Florida (F), San Antonio (S), or Hawaii (H). The employees initially rank the four possible sites according to the following voter profile: Use the Hare method to determine the winner of a preliminary nonbinding election based on the above voter profile.Suppose that after the preliminary election, the four voters who voted F > S > H > A, in that order, change their votes to A > F > S > H . The official vote is then held. If the Hare Method is used to determine the winner, who is the winner and is the Monotonicity Criterion violated?

A. Hawaii; Alaska, yes B. Hawaii; Hawaii, no C. Alaska; Alaska, no D. Alaska; Hawaii, yes

Mathematics

Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.Assume that the volume of the earth is 5 × 1014 cubic meters and the volume of a bacterium is 2.5 × 10-16 cubic meters. If the earth could be filled with bacteria, how many would it contain? (Round to one decimal place.)

A. 5.0 × 1031 bacteria B. 2.0 × 10-30 bacteria C. 2.0 × 1030 bacteria D. 5.0 × 10-31 bacteria

Mathematics

Write the fraction.According to a recent study, 8 out of 12 visits to a hospital emergency room were for an injury. What fraction of emergency room visits are NOT injury-related?

A.
B.
C.
D.

Mathematics