Solve the problem.As part of an experiment to test different liquid fertilizers, a sprinkler has to be set to cover an area of 140 square yards in the shape of a sector of a circle of radius 50 yards. Through what angle should the sprinkler be set to rotate? If necessary, round the answer to two decimal places.
A. 3.21°
B. 20.16°
C. 6.42°
D. 4.82°
Answer: C
Mathematics
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A. 6 hr
B. 12 hr
C. 
hr
D. 
hr
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Factor a negative number or a GCF with a negative coefficient from the polynomial.-4x4 + 6x3 - 2x2
A. -2x2(2x2 - 3x - 1) B. -2x2(2x2 + 3x + 1) C. -2x2(2x2 - 3x + 1) D. -2x2(2x2 + 3x - 1)
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Write the ratio as a fraction in lowest terms.$135 to $144
A. 
B. 
C. 
D. 
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Match the equation to the correct graph.y = (x - 4)2
A. 
B. 
C. 
D. 
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