Solve the problem.A gas station sells 4820 gallons of regular unleaded gasoline on a day when they charge $4.35 per gallon, whereas they sell 3847 gallons on a day that they charge $4.40 per gallon. Find a linear function that expresses gallons sold as a function of price.
A. y = -19,460x + 89,449.2
B. y = -19,460x + 89,454.8
C. y = -19,460x + 89,487
D. y = -19,460x + 89,471
Answer: D
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Solve.A satellite is to be put into an elliptical orbit around a moon. The moon is a sphere with radius of 305 km. Determine an equation for the ellipse if the distance of the satellite from the surface of the moon varies from 545 km to 785 km.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Provide an appropriate response.Simplify by applying the distributive principle: 3(2x - 5)
A. 6x - 15 B. 5x - 5 C. 6x - 5 D. 5x - 2
Classify the triangle as acute, right, or obtuse and classify it as equilateral, isosceles, or scalene.
A. Obtuse, equilateral B. Acute, equilateral C. Acute, scalene D. Obtuse, isosceles
Solve the problem.A window washer accidentally drops a bucket from the top of a 256-foot building. The height h of the bucket after t seconds is given by 
When will the bucket hit the ground?
A. -4 sec B. 64 sec C. 16 sec D. 4 sec