Solve the problem.The northern third of Indiana is a rectangle measuring 96 miles by 132 miles. Thus, let 
Assuming that the total annual snowfall (in inches), S(x,y), at 
is given by the function S(x,y) = 60e-0.001(2x + y) with (x,y) ? D, find the average snowfall on D.
A. 52.06 inches
B. 52.44 inches
C. 51.78 inches
D. 51.14 inches
Answer: D
Mathematics
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Simplify the numerical expression below.(-85 + 45) + 85
A. 45 B. 125 C. 215 D. -45 E. none of these
Mathematics
Express the number in scientific notation.0.0000004
A. 4 × 10-6 B. 4 × 10-8 C. 4 × 10-7 D. 4 × 10-9
Mathematics
Give three kinds of notation for the percent.8%
A. 
; 8 × 
; 8 × 0.01
B. 
; 8 × 
; 8 × 0.1
C. 
; 8 × 
; 8 × 0.01
D. 
; 8 × 
; 8 × 0.001
Mathematics
Add the fractions 
and write the result in simplest form.
A. 
B. 
C. 
D. 
E. 
Mathematics