First, use front end rounding to estimate each answer. Then find the exact answer.
+ 
What will be an ideal response?
Estimate: -20 - 40 = -60
Exact: 
- 36 = -57
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Use an increment of 0.03 to estimate the value of 
at 
if 
varid="variable_id_field" variablename="impvar_db03fa8d1a7b455182ead8521" />. Round your answer to two decimal places. ? A. 0.02 B. 0.82 C. 0 D. None of the above
Decide whether the figure is convex or not convex.
A. Convex B. Not convex
Find the average value of the function f over the given region.f(x, y) = 4x + 9y over the triangle with vertices 
, 
, and 
A. 32
B. 8
C. 
D. 11
Write the contrapositive of the statement.If I am in the city of Fligaroo, then I am on the planet Plochus.
A. If I am not in the city of Fligaroo, then I am on the planet Plochus. B. If I am not in the city of Fligaroo, then I am not on the planet Plochus. C. If I am not on the planet Plochus, then I am in the city of Fligaroo. D. If I am not on the planet Plochus, then I am not in the city of Fligaroo.