Rationalize the denominator. Assume all variables have positive values.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Estimate. Then find the actual difference.304.87 - 21.13
A. Estimate: 280; Actual: 284.74 B. Estimate: 280; Actual: 283.74 C. Estimate: 270; Actual: 273.74 D. Estimate: 270; Actual: 283.74
Mathematics
Find the solutions to the equation by reading the graph.x2 - 4x - 12 = 0
A. {-12, 0} B. {-12, 6} C. {-2, 6} D. {-12, -2}
Mathematics
Solve using elimination.
A. x = 
, y = 
; x = 
, y = - 
or 
, 
B. x = 
, y = 
; x = - 
, y = - 
or 
, 
C. x = 
, y = - 
; x = - 
, y = 
or 
, 
D. x = 
, y= - 
; x = 
, y = 
or 
, 
Mathematics
Find A-1 if it exists.A = 
A. 
B. 
C. 
D. Does not exist
Mathematics