Simplify the expression.
?
What will be an ideal response?
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Solve. Write the fraction in simplest form.A company employs 648,000 employees worldwide. About 43,200 employees work in the United States. What fraction of the employees work in the United States?
A. 
B. 
C. 
D. 
Solve the problem.A tunnel is to be dug from point A to point B. Both A and B are visible from point C. If AC is 235 miles and BC is 625 miles, and if angle C is 90°, find the measure of angle B. Round your answer to the tenths place.
A. 34.1° B. 18.7° C. 31.4° D. 20.6°
Use the graph of the inequality to find the set.A = {x|x < 2}, B = {x|x > -2}Find A ? B.
A. {x|x > -2}; (-2, ?)
B. {x|-2 < x < 2}; (-2, 2)
C. {x|x < 2}; (-?, 2)
D. {x|3 < x < 3}; (-3, 3)
Use a graphing calculator to solve the system by finding A-1 and A-1B. (Round to the nearest integer if necessary.)2.67x + 1.88y-z = 20.97x - 1.77y + 0.31z = -0.832.78x +y+z = 34.46
A. {(6, 9, 6)} B. {(7, -6, -9)} C. {(7, 6, 9)} D. {(8, 4, 9)}