Add or subtract as indicated. Write the answer in simplest form.- 
+ 
A. 
B. - 
C. - 
D. - 
Answer: D
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Solve the problem.A contractor is considering a sale that promises a profit of $31,000 with a probability of .7 or a loss (due to bad weather, strikes, and such) of $10,000 with a probability of .3. What is the expected profit?
A. $18,700 B. $21,000 C. $28,700 D. $21,700
Simplify the algebraic expression.-3(x - 6) + 5
A. -3x + 13 B. -3x + 23 C. -x + 23 D. 3x + 13
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
Find a formula for the inverse of the function described below.A size 6 dress in Country C is size 52 in Country D. A function that converts dress sizes in Country C to those in Country D is 
A. f-1(x) = 
B. f-1(x) = 
+ 20
C. f-1(x) = x - 20
D. f-1(x) = 
- 20