Factor out, relative to the integers, all factors common to all terms.
5x(x – 2) + 4(x – 2)
(5x + 4)(x – 2)
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Provide an appropriate response.A student wanted to estimate 21.5 × 0.0079 by first rounding each number. He solved the problem as follows:21.5 × 0.0079 is approximately equal to 20 × 0.008, which is equal to 0.016. So he estimated the answer as 0.016. Do you agree with the answer? If not, explain where the student went wrong and give the correct answer.
What will be an ideal response?
Perform the indicated operation. Simplify if possible.
÷ 
A. 
B. 1
C. 22
D. 
Find the trigonometric function value of angle ?.sin ? = - 
and ? in quadrant IIIFind sec ?.
A. - 
B. - 
C. - 
D. 
In a poll conducted among likely voters by Zogby International, voters were asked their opinion on the best alternative to oil and coal. The results are as follows:
What is the probability that a randomly selected participant in the poll mentioned nuclear or biofuels as the best alternative to oil and coal? Round answer to two decimal places.
a. 0.24
b. 0.39
c. 0.34
d. 0.44
e. 0.14