Referring to triangle ABC, find the area of the triangle.
?
?
Round to three significant digits.
?
A. 12.9 ft2
B. 13.1 ft2
C. 12.5 ft2
D. 12.3 ft2
E. 11.9 ft2
Answer: D
Mathematics
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Solve the problem.A certain company has found that its expenditure rate per day (in hundreds of dollars) on a certain type of job is given by 
where x is the number of days since the start of the job. Find the expenditure if the job takes 6 days.
A. $8400 B. $2600 C. $84 D. $26
Mathematics
Simplify using order of operations.5(-8) + (-4)(-4)
A. 176 B. -24 C. -176 D. 24
Mathematics
Evaluate the double integral
?
?
for the given function f(x, y) and the region R.
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f(x, y) = 4x + 2y; R is bounded by x = 0, x = 4, y = 0 and y = x.
?
A. 
B. 
C. 
D. 
Mathematics
Multiply or divide as indicated.
÷ 
A. 
B. 
C. x - 2
D. 
Mathematics