Solve the problem.The square of the difference between a number and 9 is 9. Find the number(s).
A. 78, 84
B. 6, 12
C. 12
D. 90
Answer: B
Mathematics
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Solve the problem.A simple model of a harvested resource follows the equation 
where p(t) is the amount (or population) of the resource at time 
is the natural growth rate of the resource, and 
is the harvesting rate. If 
/> and 
for what values of H is the amount of the resource increasing? For what value of H is the amount of the resource constant?
A. H < 100; H < 100
B. H < 50; H = 50
C. H > 50; H = 50
D. H < 50; H > 50
Mathematics
Graph the integrand and use areas to evaluate the integral.
A. 6 B. 3 C. 9 D. 5
Mathematics
Add or subtract. Write the answer in lowest terms.
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the logarithmic equation 
algebraically. Approximate the result to three decimal places.
a. 
b. 
c. 
d. 
Mathematics