Solve the problem.The number of gaskets used in a plant is R(x) = 1200 - 40x, where 1200 is the number of gaskets in one shipload and x is the number of days after shipment. Orders are made when a 10-day gasket supply is left. How many days after delivery is an order made?
A. 10 days
B. 15 days
C. 20 days
D. 30 days
Answer: C
Mathematics
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Find the total surface area and volume of the solid object. (Round to the nearest whole number and use the ? key for ?.)
A. T = 792 ft2, V = 1593 ft3 B. T = 509ft2, V = 1593 ft3 C. T = 509 ft2, V = 1654 ft3 D. T = 792 ft2, V = 1654 ft3
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Find the difference.158 - 40 - 49
A. 169 B. 148 C. 69 D. 159
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Solve the problem.Weather is classified as sunny or cloudy in a certain place. What are the long-term predictions for sunny and cloudy days? Round numbers to the nearest thousandth.SunnyCloudy 
A. 
B. 
C. 
D. 
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Solve the equation.x3 + x2 - 30x = 0
A. {-6, -5, 0} B. {-5, 0, 6} C. {0, 5, 6} D. {-6, 0, 5}
Mathematics