Find the area of the shaded region. Use 3.14 to approximate ?, if needed. Round to the nearest tenth if necessary.
A. 201 sq ft
B. 114.2 sq ft
C. 13.8 sq ft
D. 50.2 sq ft
Answer: C
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Solve the problem.If you toss four fair coins, in how many ways can you obtain at least one head?
A. 5 ways B. 4 ways C. 15 ways D. 16 ways
Calculate the flux of the field F across the closed plane curve C.F = yi - xj; the curve C is the circle (x - 4)2 + (y - 8)2 = 81
A. 144 B. 72 C. 0 D. -72
The percent of mothers who work outside the home and have children younger than age 6 yr is approximated by the function 
where t is measured in years, with 
corresponding to the beginning of 1980.
?
Compute 
. Round your answer to six decimal places.
?
A. 
per year in the second power
B. 
per year in the second power
C. 
per year in the second power
D. 
per year in the second power
E. 
per year in the second power
Solve for x.
= 6
A. 3 B. 9 C. -3 D. -9