Factor out the greatest common factor.7m(3 - m) + 4n(3 - m)
A. (7m - 4n)(3 - m)
B. m(7 + 4n)(3 - 1)
C. Prime polynomial
D. (7m + 4n)(3 - m)
Answer: D
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A building in the shape of a rectangular box is to have a volume of 21,000ft3 (see the figure). It is estimated that the annual heating and cooling costs will be $2/square foot for the top, $7/square foot for the front and back, and $3/square foot for the sides. Find the dimensions of the building that will result in a minimal annual heating and cooling cost. What is the minimal annual heating and cooling cost(C)?
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x = __________
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y = __________
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z = __________
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C = __________
What will be an ideal response?
Provide an appropriate response.Miguel has the opportunity to invest $3000 in a friend's business such that he will be repaid $4500 in six years. If he instead wanted to put the $3000 into a savings account, what interest rate compounded monthly would be needed to equal the investment?
Fill in the blank(s) with the appropriate word(s).
Complete the identity.The expression 
is to be the left hand side of an equation that is an identity. Which one of the following four expressions can be used as the right hand side of the equation to complete the identity?
A. sec ? B. cos ? C. csc ? D. tan ?
Solve the equation. If necessary, round to thousandths.5(2x - 3) = 19
A. 3.400 B. 2.415 C. -0.585 D. 2.168