Find the circumference of the circle. Use 3.14 or 
for ? as indicated.Use 
for ?.
A. 9
ft
B. 19
ft
C. 30
ft
D. 4
ft
Answer: B
Mathematics
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Sketch the surface z = f(x,y).f(x, y) = 
A. 
B. 
C. 
D. 
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Add or subtract. Simplify the answer.
+ 
A. 
B. 
C. 
D. 
Mathematics
Write the expression in lowest terms.
A. 1
B. - 
C. 
D. -1
Mathematics
Solve the equation and express the solution in exact form.ln(40x - 4) = ln 6
A. 
B. 
C. 
D. 
Mathematics