Combine. Simplify the answer.15
+ 5
A. 20
B. 21
C. 19
D. 15
Answer: A
Mathematics
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Solve the differential equation.ex
+ 4ex y = 3, x > 0
A. y = e-4x + Ce-x, x > 0 B. y = ex + Ce-4x, x > 0 C. y = e-x + Ce-4x, x > 0 D. y = e-x + e-4x, x > 0
Mathematics
Convert the angle to decimal degrees and round to the nearest thousandth of a degree.-304°57'41''
A. -304.901 B. -304.961 C. -305.001 D. -304.951
Mathematics
Find the LCM of the given polynomials.x2 - 2x - 35, x2 - 25, x2 - 12x + 35
A. (x + 7)(x + 5)(x - 5) B. (x - 7)(x + 5) C. (x + 7)(x - 5)2 D. (x - 7)(x + 5)(x - 5)
Mathematics
Graph the ellipse. Give the coordinates of the center, as well as the values of a and b.3x2 + 7y2 - 63 = 0
A. center (0, 0), a = 
, b = 3
B. center (0, 0), a = 
, b = 
C. center (0, 0), a = 3, b = 
D. center (0, 0), a = 
, b = 
Mathematics