Find the region that contains ordered pairs that are solutions to both inequalities.2x + y ? 4 and x - 1 > 0
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve for the angle ?, where 0 ? ? ? 2?sin 2? + cos ? = 0
A. ? = 
, 
, 
, 
B. ? = 
, 
, 
, 
C. 
, 
, 
, 
D. ? = 
, 
, 
, 
Mathematics
Solve. Round to the nearest hundredth, if necessary.The time T necessary to make an enlargement of a photo negative varies directly as the area A of the enlargement. If 245 seconds are required to make a 5-by-7 enlargement, find the time required for a 7-by-9 enlargement.
A. 378 sec B. 567 sec C. 441 sec D. 504 sec
Mathematics
Find the slope of the line containing the two points.(5, -3); (-1, 4)
A. 
B. - 
C. 
D. - 
Mathematics
Graph the inequality.x2 + y2 ? 49
A. 
B. 
C. 
D. 
Mathematics