Solve.Chris, Ben, and Steven enter a 43.1-mile bicycle team relay race. They complete the course in 2.06 hours. What was their average speed on the course? (Round to the nearest tenth.)
A. 0.5 mi/hr
B. 5.0 mi/hr
C. 20.9 mi/hr
D. 209.0 mi/hr
Answer: C
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Evaluate the integral by making a substitution and then using a table of integrals. 
A. 4 sin-1
- 
+ C
B. 4 sin-1
- 
+ C
C. 
- 2 ln
+ C
D. 4 sin-1
+ x
+ C
Add or subtract as indicated. Write the answer in simplest form.- 
+ 
+ 
A. 
B. 
C. - 
D. - 
Solve the formula for the specified variable.a + b = s + r for s
A. s = r(a + b)
B. s = a + b - r
C. s = 
+ b
D. s = 
Provide an appropriate response.Fill in the blank with "always greater than," "sometimes greater than," "always less than," or "cannot be determined," whichever response is correct. When dividing a positive fraction by 
, the answer is 
the fraction.
A. always greater than B. always less than C. sometimes greater than D. cannot be determined