Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(0, 0)}
B. no solution; ?
C. {(0, 16)}
D. {(9, 7)}
Answer: B
Mathematics
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Arrange in order from smallest to largest.8.25, 8
, 8.52, 8
A. 8.25, 8.52, 8
, 8
B. 8
, 8
, 8.25, 8.52
C. 8.25, 8
, 8.52, 8
D. 8
, 8.52, 8
, 8.25
Mathematics
Find the mean for the list of numbers.Monthly checking account fees: $16, $10, $7, $11, $4, $2, $6Round answer to the nearest whole number if necessary.
A. $8 B. $11 C. $7 D. $6
Mathematics
Convert the rectangular coordinates of the point to polar coordinates (r, ?) with r > 0 and 0 ? ? < 2?.(-3, 0)
A. 
B. 
C. (3, ?)
D. (3, 0)
Mathematics
Complete the square in x and y to find a Cartesian equation of the form 
or 
for the given equation.9x2 - 16y2 + 36x - 64y - 172 = 0
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics