If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth.
A. 3.47
B. 3.87
C. -45
D. 2.47
Answer: D
Mathematics
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Find the mean. Round to the nearest tenth unless otherwise stated.Snow accumulation: 9, 9.4, 7.2, 9.4, 7
A. 7 B. 8.4 C. 9.4 D. 9
Mathematics
Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x = 4, y = -3, z = -5, w = 2; (4, -3, -5, 2)
B. x = -4, y = 3, z = 5, w = -2; (-4, 3, 5, -2)
C. x = 
, y = - 
, z = - 
, w = 
; 
D. x = - 
, y = 
, z = 
, w = - 
; 
Mathematics
Fill in the blank with one of the words or phrases listed below.
The fraction 
= 
.
A. simplest form B. 0 C. undefined D. equivalent
Mathematics
Solve for x and graph the results.5x + 6 ? 46 or x + 6 < 0
A. 
B. 
C. 
D. 
no solution
Mathematics