Find the area of the circle. Use 3.14 or 
for ? as indicated.Find the area. Round the answer to the nearest tenth of a unit.
A. 188.4 ft2
B. 706.5 ft2
C. 2826 ft2
D. 94.2 ft2
Answer: B
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Solve the problem.Find the perimeter of the triangle with vertices A(5, 4, 2), B(2, -2, 6), and 
.
A. 
+ 
+ 
B. 
+ 
+ 
C. 
+ 
+ 
D. 
+ 
+ 3
Solve the problem. Use ? ? 3.14 when necessary.Three people build a rectangular shed 8 ft wide, 6 ft long, and 7 ft high. About how many ft3 does the shed contain?
A. 21 ft3 B. 336 ft3 C. 2688 ft3 D. 146 ft3
Solve the problem.A cookie recipe calls for 
of a cup of sugar and makes 1 dozen cookies. How many cookies can you make if you have 7 cups of sugar and want to use it all?
A. 2
dozen
B. 
dozen
C. 21 dozen
D. 
dozen
Write the linear system corresponding to the reduced augmented matrix.
A. x1 = -4, x2 = t + 6, x3 = t for any real number t B. No Solution C. x1 = 4, x2 = -t + 6, x3 = t for any real number t D. x1 = 4, x2 = t + 6, x3 = 0