Specify the center and radius of the circle.(x + 1)2 + (y - 4)2 = 2
A. center: (-1, 4); radius: 2
B. center: (1, -4); radius: 2
C. center: (-1, 4); radius: 
D. center: (1, -4); radius: 
Answer: C
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Write sigma notation. 
+ 
+ 
+ 
+ 
A. 
B. 
C. 
D. 
Solve the problem and answer the question.A painter can finish painting a house in 8 hours. Her assistant takes 10 hours to finish the same job. How long would it take for them to complete the job if they were working together?
A. 4
hr
B. 
hr
C. 9 hr
D. 7 hr
Provide an appropriate response.To find the selling price of an item, the following formula can be used:
A. cost equals selling price minus margin B. selling price equals cost minus margin C. margin equals selling price minus cost D. selling price equals cost plus margin
Solve the problem.Leon Harding receives proceeds of $4083 after signing a 
note for 
Find the discount rate. Round to the nearest tenth.
A. 3.1% B. 2.6% C. 0.4% D. 5.1%