Multiply. Use the special formula that applies.(7 - 12r)(7 + 12r)
A. 49 - 168r - 144r2
B. 49 - 144r2
C. 49 - 12r2
D. 49 + 168r - 144r2
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Provide an appropriate response.A garage door company's total monthly revenue from the sale of x garage doors is given by R = 925x and its total monthly costs are given by c = 575x + 2100. How many garage doors need to be sold each month to break even? In other words, when will revenue equal costs?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find all the real zeros of the polynomial function: 
a. 
b. 
c. 0,8
d. 
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Solve the inequality. Use algebra to solve the corresponding equation.x2 + 5x ? -4
A. [-4, -1] B. (1, 4) C. [1, 4] D. (-?, 1] ? [4, ?)
Mathematics