Simplify completely.

A.
B. - 
C.
D. - 


Answer: C

Mathematics

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The following question refers to a school district with three high schools. The total number of students in the district is 3000. The teachers within the district are apportioned to the high schools based on the schools' respective enrollments. The standard quota for each school is given in the following table. How many students are enrolled in Central High?

A. 1500 B. 1450 C. 1550 D. 1400 E. none of these

Mathematics

Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?

A. $0.75 B. $2.00 C. -$3.00 D. $3.00

Mathematics

Find the indicated fractional part. of 

A.
B.
C.
D.

Mathematics

Solve the problem.If v = 5i + j and w = 9i + j, find .

A. 10
B. 6
C. 4
D. 2

Mathematics