Solve the problem.One hundred rats are being trained to run through a maze and are rewarded when they run through it correctly. Once a rat successfully runs the maze, it continues to run the maze correctly in all subsequent trials. The number of rats that run the maze incorrectly after t attempts is given approximately by 
Find the number of trials required such that only 35% of the rats are running the maze incorrectly. Round to the nearest trial.
A. 9 trials
B. 30 trials
C. 28 trials
D. 8 trials
Answer: A
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The number P of cocoons a certain wasp will parasitize in a day depends on the number n of cocoons per square inch that are present. The relationship is given by
?
.
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A: Make a graph of P versus n. Include values of ?n up to 4 cocoons per square inch.B: What number of cocoons per square inch will cause the wasp to parasitize 6 of them?C: What is the largest number of cocoons the wasp will parasitize no matter how many cocoons are present?
?
Round your answer to two decimal places if necessary.
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What will be an ideal response?
Combine like terms.-7.9(3r + 10) + 7.1(7r + 7)
A. 26r - 29.3 B. -4.9r + 2.1 C. -102.7r D. 26r + 10
Find the coordinates of the image for the given point under the translation defined by (x, y) ? (x + 4, y - 2).(2, 4)
A. (?2, 6) B. (6, 6) C. (?6, 2) D. (6, 2)
Provide an appropriate response.When using the declining balance method, the amount of depreciation is calculated by the depreciation rate:
A. times the book value at the beginning of the year B. times the accumulated depreciation at the end of the year C. divided by the book value at the beginning of the year D. plus the book value at the end of the year