Use the four-step method in problem solving to solve the problem.At the beginning of the year, the odometer on an SUV read 37,839 miles. At the end of the year, it read 52,799 miles. If the car averaged 22 miles per gallon, how many gallons of gasoline did it use during the year?
A. 329,120 gallons
B. 68 gallons
C. 14,960 gallons
D. 680 gallons
Answer: D
Mathematics
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Find the vertex, focus, and directrix of the parabola. Graph the equation.y2 = 16x
A. vertex: (0, 0)
focus: (0, 4)
directrix: y = -4
B. vertex: (0, 0)
focus: (4, 0)
directrix: x = -4
C. vertex: (0, 0)
focus: (-4, 0)
directrix: x = 4
D. vertex: (0, 0)
focus: (0, 4)
directrix: y = -4
Mathematics
Write the variation.d varies jointly as g and the square of z.
A. d = 
B. d = 
C. d = kgz2
D. d =kgkz2
Mathematics
Find the magnitude of the vector described below. Initial point: (-3, 7, -5) Terminal point: (8, -3, 4)
A. 10
B. 65
C. 
D. 
E. 
Mathematics
Find the area of the specified region.Inside the circle r = -6 sin ? and outside the circle r = 3
A. 
(4? - 3
)
B. 
?
C. 
(2? + 3
)
D. 3?
Mathematics