Add. Do not use a number line except as a check.-76 + 49
A. 125
B. -27
C. -125
D. 27
Answer: B
Mathematics
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Solve the differential equation.x 
= y + (x2 - 4)2
A. y = 
x4 - 32x ln x+ cx
B. y = 
x3 - 8x - 
+ c
C. y = 
x4 - 8x2 - 16 + cx
D. y = x4 - x2 - 16 + cx
Mathematics
Find the center and radius of the circle with the given equation. x2 + 2x + 1 + (y - 9)2 = 81
A. Center (-1, 9), r = 9 B. Center (1, -9), r = 81 C. Center (9, -1), r = 9 D. Center (-9, 1), r = 81
Mathematics
Simplify the factorial expression.
A. 
B. 56
C. 
D. 2!
Mathematics
Write a polar equation of a hyperbola with eccentricity 3 and directrix r = 2csc?.
 figure 1.png)
Mathematics