Use the Negative Exponent Rules to simplify. Write the answer with positive exponents. All variables are nonzero.
-1
A. - 
B. 
C. 6
D. -6
Answer: C
Mathematics
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Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. 3 ln 
- 
+ C
B. 8 ln 
+ ln 
+ C
C. 3 ln 
+ ln 
- 
+ C
D. 3 ln 
+ ln 
+ C
Mathematics
Specify the center and radius of the circle.5x2 + 5y2 - 40x + 50y + 160 = 0
A. center: (-5, 4); radius: 3 B. center: (-4, 5); radius: 9 C. center: (5, -4); radius: 9 D. center: (4, -5); radius: 3
Mathematics
Subtract.-25 - 3
A. -22 B. 22 C. 28 D. -28
Mathematics
If a baseball pitcher has pitched 31 2/3 innings and has allowed 15 runs, find his ERA. [Remember the ERA (Earned Run Average) equals the number of earned runs allowed in 9 innings.]
What will be an ideal response?
Mathematics