Solve.The area of a circle is found by the equation A = ?r2. If the area a of a certain circle is 16? square inches, find its radius r.
A. 32 inches
B. 8 inches
C. 4 inches
D. 8? inches
Answer: C
Mathematics
You might also like to view...
Evaluate the improper integral or state that it is divergent. 
A. ln 2
B. ln 7
C. - 
ln 2
D. 
ln 8
Mathematics
Write fraction as a percent. If necessary, round the percentage to the nearest tenth.
A. 1.4% B. 70% C. 14.3% D. 20.4%
Mathematics
Find the indicated vector.Let u = 
. Find -5u.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The average weight W (in ounces) of a fish caught in a certain lake is given by 
where x is the length in inches. Find the weight of a fish 14 inches long by finding W(14). Round to the nearest ounce.
A. 14 ounces B. 10 ounces C. 12 ounces D. 8 ounces
Mathematics