Solve. x + y + z = 9 x - y + 4z = 174x + y + z = 18
A. (4, 3, 2)
B. (3, 2, 4)
C. (4, 2, 3)
D. No solution
Answer: B
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Use the table to find the federal income tax.
A. $3983 B. $3794 C. $3990 D. $3529
Solve the equation for x if 
. Give your answer in radians using exact values only.
?
What will be an ideal response?
Obtain the five-number summary for the given data. The National Education Association collects data on the number of years of teaching experience of high-school teachers. A sample taken this year of 19 high-school teachers yielded the following data on number of years of teaching experience.
A. 1, 6, 19, 26, 33
B. 1, 5.25, 18.0, 25.25, 33
C. 1, 5.25, 19, 25.25, 33
D. 1, 6, 18.0, 26, 33
Find a formula for the inverse of the function described below.A size-52 dress in Country C is size 10 in Country D. A function that converts dress sizes in Country C to those in Country D is 
A. f-1(x) = x + 16 B. f-1(x) = 2(x - 16) C. f-1(x) = 2x - 32 D. f-1(x) = 2x + 32