Find the least common denominator (LCD).
, 
A. r(r + 4)2
B. r(r + 1)(r + 4)
C. r(r + 4)
D. (r + 4)2
Answer: A
Mathematics
You might also like to view...
Solve the problem.Write parametric equations for the tangent line to the curve of intersection of the surfaces 
and 
at the point 
A. 
B. 
C. 
D. 
Mathematics
Evaluate the integral.
dt
A. 
sin 
t - 
sin 
t + C
B. 
sin 
t - 
sin 
t + C
C. 
cos 
t + 
cos 
t + C
D. 
sin t - 
sin 7t + C
Mathematics
Use the given property of multiplication to rewrite each statement. Commutative property: 16 ? 9 = _____
A. 16 ? 9
B. 16 + 9
C. 9 ? 16
D. 9 + 
Mathematics
Multiply.-20(-7)
A. 147 B. -160 C. 140 D. 160
Mathematics