Solve area problem.The diameter of a discus is about 8.6 in. What is the area of one flat surface of the discus? (Round to the nearest hundredth.)(Use 3.1 4 for ? .)
A. 58.06 in.2
B. 27 in.2
C. 29.03 in.2
D. 232.23 in.2
Answer: A
Mathematics
You might also like to view...
Use the fact that the trigonometric functions are periodic to find the exact value of the expression. Do not use a calculator.sec 
A. 
B. -2
C. - 
D. -
Mathematics
State whether the parabola opens upward or downward.f(x) = x2 + 20
A. Upward B. Downward
Mathematics
Test for relative maximum and minimum.
?
?
A. relative minimum at 
and saddle point at 
B. relative maximum at 
and saddle point at 
C. relative minimum at 
D. relative maximum at 
E. saddle points at 
and 
Mathematics
Multiply and simplify.-6z ? 
A. 0 B. 36z C. 1 D. -1
Mathematics