Provide an appropriate response.Solving for which variable in which equation involves the least amount of work?y = 6x + 235x + 8y = -81
A. x in equation 2
B. y in equation 2
C. y in equation 1
D. x in equation 1
Answer: C
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Fill in the blank with one of the words or phrases listed below. 
Use the facts below. 2 ? 3 = 6
4 + 17 = 21
20 - 9 = 11
The 35 above is called the 
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A. quotient
B. divisor
C. dividend
D. minuend
The total weekly cost (in dollars) incurred by a company in pressing x compact discs is 
.
?
Round answers to the nearest cent.
?
What is the actual cost incurred in producing the 2,001st disc?
?
$__________
?
What is the actual cost incurred in producing the 3,001st disc?
?
$__________
?
What is the marginal cost when 
?
?
$__________
?
What is the marginal cost when 
?
?
$__________
What will be an ideal response?
Use the given information to write an equation. Let x represent the number described in the exercise. Then solve the equation and find the number.When 4 times a number is subtracted from 7 times the number, the result is 21. Find the number.
A. 4x + 7x = 21; 3 B. 4x(7 - x) = 21; -7 C. 7x - 4x = 21; 7 D. 4(x - 7) = 21x; 0.6
Divide the polynomial by the monomial.
A. 4x4 + 3x2 B. 12x8 + 3x2 C. 4x4 + 9x6 D. 7x10