Find the circle's circumference or area, as requested. Use 3.14 as the approximate value of ?, and round your answer to the nearest tenth.Find the circumference.
A. 97.3 in.
B. 754.4 in.
C. 194.7 in.
D. 48.7 in.
Answer: A
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Solve the problem.Find the extreme values of 
subject to 
and 
A. Maximum: none; minimum: 
at 
B. Maximum: none; minimum: 
at 
C. Maximum: none; minimum: 
at 
D. Maximum: none; minimum: 
at 
Solve the system of equations using substitution.
A. x = 2 , y = -2; x = 7, y = -7
or (2, -2), (7, -7)
B. x = -2 , y = - 
; x = -7, y = - 
or 
, 
C. x = - 
, y = -7 or 
D. x = - 
, y = -2; x = - 
, y = -7
or 
, 
A lumber yard cuts 2" x 4" lumber into 8 foot studs. It is observed that the actual lengths of the studs are normally distributed with mean 8 feet and standard deviation 1 foot. What proportion of the studs are longer than 8.25 feet? Enter just a real number rounded off to two decimal places.
Fill in the blank(s) with the appropriate word(s).
Use a proportion to solve the problem.The 9th hole at the Riverwoods Golf Course is 150 yards long. How long would it be on a model with a scale of 1.5 inches to 50 yards?
A. 4.5 in. B. 2.25 in. C. 22.5 in. D. 75 in.