Decide if the function is linear.y = 4x + 9

A. Yes
B. No


Answer: A

Mathematics

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Choose the most reasonable unit of measure.Area of a television screen: 1316  (mm2, cm2, m2, km2)

A. mm2 B. cm2 C. km2 D. m2

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Subtract the polynomials.(y7 - y3) - (y4 - y)

A. y7 - y3 + y4 + y B. y7 - y4 - y3 + y C. y7 - y4 + y3 - y D. y7 - y4 - y3 - y

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Find the gross earnings.Gross sales: $6943Sales returns: $787Net quota: $2055Commission rate: 9%

A. $554.04 B. $439.92 C. $369.09 D. $369.99

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Solve the problem.An object is traveling around a circle with a radius of 20 meters. If in 10 seconds a central angle of  radian is swept out, what is the linear speed of the object?

A.  m/sec
B.  m/sec
C.  m/sec
D.  m/sec

Mathematics