Find the volume of the circular cone. Use 3.14 or 
for ? as indicated and round as indicated. Use 3.14 for ?. Round to the nearest hundredth.
A. 123.41 mm3
B. 123.53 mm3
C. 370.24 mm3
D. 41.18 mm3
Answer: A
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Solve.If y varies directly as x, and y = 3 when x = 8, find y when x = 40.
A. 15
B. 
C. 
D. 
Find the opposite of the polynomial.-7a3 + 7a2 + 7a - 4
A. -7a3 + 7a2 + 7a + 4 B. 7a3 - 7a2 - 7a + 4 C. 7a3 + 7a2 + 7a - 4 D. -7a3 - 7a2 - 7a - 4
Solve the problem.The population of a formerly endangered mouse is now on the rise. The population, N, over the last 8 years can be represented with the following graph:
When was the mice population the lowest?
A. At the beginning of the 8 year period. B. Just before the end of the second year. C. During the fifth year. D. Just after the end of the third year.
Solve the problem.The number of employees that hear a rumor about layoffs in a large corporation t days after the rumor starts is modeled by the logistic function R(t) = 
. Determine the following if 6 employees initially heard the rumor and 245 employees heard the rumor after 1 day. a. What is the carrying capacity for the number of employees who will hear the rumor? b. Find B.c. Find k.d. How long will it take for 4709 employees to hear the rumor? Round to two decimal places.
A. a. 52,482
b. 8748
c. ln
d. ? 1.82 days
B. a. 52,482
b. 8746
c. ln
d. ? 1.78 days
C. a. 52,482
b. 8746
c. ln
d. ? 1.82 days
D. a. 52,482
b. 8748
c. ln
d. ? 1.23 days