Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 
C. 3
D. 3
Answer: B
Mathematics
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Solve the formula for the specified variable.S = 2?rh + 2?r2 for h
A. h = 
B. h = 
- 1
C. h = S - r
D. h = 2?(S - r)
Mathematics
Use a proportion to solve the problem.On Hector's bicycle, the ratio of pedal turns to rear-wheel turns in second gear is 4 to 7. If his rear wheel turns 966 times per mile, how many times does he turn the pedal in one mile?
A. 970 times B. 973 times C. 1690.5 times D. 552 times
Mathematics
Determine the integral by making an appropriate substitution.
dxEnter your answer with any coefficients in front as integers or reduced fractions of form 
.
What will be an ideal response?
Mathematics
Find the square root. Assume that all variables represent positive real numbers.
A. 12 B. not a real number C. -72 D. -12
Mathematics