Calculate. Write answer in lowest terms.7
+ 2
A. 1
B. 9
C. 10
D. 10
Answer: D
Mathematics
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If A denotes the area of the sector of a circle of radius r formed by the central angle ?, find the missing quantity. If necessary, round the answer to two decimal places.? = 
radians, A = 84 square meters, r = ?
A. 32.97 m B. 131.88 m C. 14.63 m D. 5.74 m
Mathematics
Solve the system of equations. x + y + z = 2 x - y + 3z = 142x + y + z = 0
A. (5, -1, -2) B. (5, -2, -1) C. (-2, -1, 5) D. (-1, -2, 5)
Mathematics
Solve the problem.The table shows the amount of time that Ben spent studying each day this week. What is the median amount of time that he spent studying this week?
A. 
hr.
B. 3
hr.
C. 
hr.
D. 3
hr.
Mathematics
Solve the system of equations.
A. (-3, -5, -2) B. (-3, -2, -5) C. (-5, -2, -3) D. No solution
Mathematics