Divide. Write the answer in lowest terms and as a whole or mixed number where possible.28 ÷ 
A. 21
B. 37
C. 
D. 7
Answer: A
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Determine the symmetries of the curve.r = 2 + 3 cos ?
A. Origin only B. x-axis only C. y-axis only D. No symmetry
Use Euler's method to calculate the first three approximations to the given initial value problem for the specified increment size. Round your results to four decimal places.y' = y - ex - 1, y(1) = 1, dx = 0.5
A. y1 = -0.5591, y2 = -3.6796, y3 = -9.1939 B. y1 = -0.3591, y2 = -3.2796, y3 = -9.1139 C. y1 = -0.1591, y2 = -2.8796, y3 = -9.0339 D. y1 = 0.0409, y2 = -2.4796, y3 = -8.9539
Find the center of mass of a thin plate covering the given region with the given density function.The region bounded by the parabola y = 4 - x2 and the x-axis, with density ?(x) = 2x2
A. 
= 0, 
= 
B. 
= 
, 
= 0
C. 
= 0, 
= 
D. 
= 0, 
= 
Find the gasoline mileage rounded to the nearest tenth.329 miles; 18 gallons
A. 18.4 mpg B. 20 mpg C. 18.3 mpg D. 30 mpg