Add and subtract as indicated. Simplify and leave the numerator and denominator in your answer in factored form.
+ 
- 
A. 3
B. 
C. 
D. 
Answer: A
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Identify the property illustrated by the statement. Assume all variables represent real numbers.(8 ? 4) ? 6 = 8 ? (4 ? 6)
A. Distributive B. Commutative C. Identity D. Associative
Simplify the expression.(1 - 
)(6
+ 2)
A. 6
+ 2 - 30
- 2
B. 6
+ 2 - 6
- 2
C. 6
- 2 - 6
- 
D. 6
+ 2 - 
+ 2
Solve the problem.To remodel a bathroom, a contractor charges $25 per hour plus material costs, which amount to $3825. Therefore, the total cost to remodel the bathroom is given by 
where x is the number of hours the contractor works. Find a formula for 
What does 
compute?
A. f -1(x) = 
- 3825; This computes the number of hours worked if the total cost is x dollars.
B. f -1(x) = 
- 3825; This computes the total cost if the contractor works x hours.
C. f -1(x) = 
- 153; This computes the number of hours worked if the total cost is x dollars.
D. f -1(x) = 
- 153; This computes the total cost if the contractor works x hours.
Provide the proper response.True or false? 
= A if A is negative.
Fill in the blank(s) with the appropriate word(s).