Solve the problem.Find the sum of the interior angles of an 8-sided polygon.
A. 180°
B. 1440°
C. 900°
D. 1080°
Answer: D
Mathematics
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Find the exact value of the real number y.y = tan-1 (-1)
A. 1
B. 0
C. 
D. 
Mathematics
Solve the problem.For the month ending June 30, TriCounty Nursery has net sales of 
, cost of goods sold of 
and operating expenses of 
Find the gross profit and net income.
A. gross profit: $49,900; net income: $50,000 B. gross profit: $59,000; net income: $100,000 C. gross profit: $100,000; net income: $50,000 D. gross profit: $100,000; net income: $59,000
Mathematics
Determine if the given ordered triple is a solution of the system.x + 4y + 3z = -8 3y + 3z = -9 z = -1(-1, -2, 3)
A. No B. Yes
Mathematics
A vector v has initial point P and terminal point Q. Graph 
and write 
as 
P = (-4, 3), Q = (-8, 9)
A. 
B. 
C. 
D. 
Mathematics