Provide an appropriate response.Urban encroachment is causing the area of a forest to decline at a rate of 8% per year. Use the approximate half-life formula to determine the half-life of the forest.
A. 8.75 years
B. 17.50 years
C. 1.08 years
D. 7.50 years
Answer: A
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Solve the problem.Find the volume generated by revolving the curve y = cos 4x about the x-axis, 0 ? x ? ?/48
A. 
B. 
+ 
C. 
+ 
D. 
+ 
Solve.A painter used 
cans of paint. Each can held 
quarts. How much paint did he use?
Fill in the blank(s) with the appropriate word(s).
Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.-9y0
A. 0 B. -9 C. 1 D. -8
Let x represent one number and let y represent the other number. Use the given conditions to write a system of nonlinear equations. Solve the system and find the numbers.The sum of the squares of two numbers is 41. The sum of the two numbers is -9. Find the two numbers.
A. 4 and 5 B. -5 and 4 or -4 and 5 C. -5 and -4 D. -5 and -4 or 4 and 5