Provide an appropriate response.Explain how to add rational expressions with different denominators.
What will be an ideal response?
Answers will vary. On e possible explanation: First, find the LCD and rewrite each expression with the LCD. Subtract the numerators (the LCD is the denominator of the difference). Last, write the rational expression in lowest terms.
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Factor completely.7y2 + 49y + 84
A. 7(y + 4)(y + 3) B. 7(y - 4)(y - 3) C. (y + 4)(7y + 21) D. (7y + 4)(y + 3)
Graph the equation by determining the missing values needed to plot the ordered pairs.y + x = 4; (1, ), (4, ), (3, )
A. 
B. 
C. 
D. 
Multiply.(-19.3)(-3.80)
A. 0.7334 B. 733.4 C. 73.34 D. 7.334
Solve the problem.The amount of particulate matter left in solution during a filtering process is given by the equation 
where n is the number of filtering steps. Find the amounts left for 
and 
(Round to the nearest whole number.)
A. 500 units; 63 units B. 500 units; 16 units C. 500 units; 4000 units D. 1000 units; 63 units