Solve.Ms. Losch has a piece of rope 
long that she cuts into pieces for an experiment in her first-grade class. Each piece of rope is to be 
long. How many 
long pieces of rope can she cut from the original piece of rope?
A. 31 pieces of rope
B. 29 pieces of rope
C. 30 pieces of rope
D. 2 pieces of rope
Answer: B
Mathematics
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Provide an appropriate response.Find the sum of the series 
by expressing 
as a geometric series, differentiating both sides of the resulting equation with respect to x, multiplying both sides by x, differentiating again, and replacing x by 
.
A. 
B. 
C. 
D. 
Mathematics
Evaluate the integral by making a substitution and then using a table of integrals.
A. 
tan-1 
+ C
B. 
tan-1 
+ C
C. 
sin-1 
+ C
D. 
sin-1 
+ C
Mathematics
Use the method suggested to compute mentally.Use front-end multiplying. 
A. 540 B. 539 C. 542 D. 541
Mathematics
Calculate the value mentally.0.11/2 ? 1601/2
A. 8 B. 2 C. 4 D. 16
Mathematics