Simplify, if possible.2 - 
2
A. 12
B. -16
C. -12
D. -14
Answer: D
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Find the average value of the function f over the given region.f(x, y) = 
over the region bounded by 
, 
, 
, and 
.
A. 
ln 2
B. 60 ln 2
C. 
ln 2
D. ln 2
Multiply and simplify.
? 
A. 
B. 
C. 
D. 120xy
Factor the trinomials that are perfect-square trinomials. If it is not a perfect square, respond "not a perfect square."x2 - 12x + 144
A. (x + 12)(x - 12) B. not a perfect square C. (x + 12)2 D. (x - 12)2
Solve the problem.A car salesman receives bonus points for selling certain types of cars but can also be penalized for missing the monthly quota of total cars sold. These amounts are shown in the two tables. 
During the month the salesman sells 4 sub-compacts, 7 full-size cars and 1 luxury vehicles, but he misses his quota by 20%. What are his net points for the month?
A. -90 points B. 1140 points C. -360 points D. 90 points