Write the equation of the circle. Assume the radius is a whole number.
A. (x - 2)2 + y2 = 9
B. x2 + (y + 2)2 = 9
C. x2 + (y - 2)2 = 3
D. (x + 2)2 + y2 = 9
Answer: B
Mathematics
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Solve.7 - 
= 4
A. 0
B. - 
, 0
C. 0, 
D. - 
, 
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Solve the problem.Suppose that f(x) gives the time in hours to travel x miles at 41 miles per hour. If you evaluate 
what are you finding?
A. The hours taken to travel 41 miles B. The miles traveled in 41 hours C. The hours taken to travel 6 miles D. The miles traveled in 6 hours
Mathematics
Solve the problem.Peter must practice the piano 14
hours per week. He has already practiced 7
hours. How many more hours does he need to practice?
A. 5
hours
B. 6 hours
C. 6
hours
D. 7
hours
Mathematics
Decide whether or not the matrices are inverses of each other.
and 
A. Yes B. No
Mathematics