Find the LCD. Build up the fractions to equivalent fractions having the LCD as the denominator.
and 
A. 
and 
B. 
and 
C. 
and 
D. 
and 
Answer: C
Mathematics
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Solve the problem.A ball is thrown downward from a window in a tall building. Its position at time t in seconds is 
where s is in feet. How long (to the nearest tenth) will it take the ball to fall 158 feet?
A. 3.1 sec B. 5.3 sec C. 2.3 sec D. 2.1 sec
Mathematics
Solve the exponential equation and approximate the result, correct to three decimal places.4(x - 2) = 21
A. 4.196 B. 7.250 C. 3.658 D. 0.196
Mathematics
Solve the equation and express the solution in exact form.ln eln x - ln(x - 7) = ln 6
A. 
B. 
C. ?
D. {7, 6}
Mathematics
Decide whether the set is countably infinite. Answer yes or no. ? Set of even numbers.
What will be an ideal response?
Mathematics