Solve the problem.The weight of a body above the surface of the earth varies inversely as the square of its distance from the center of the earth. What is the effect on the weight when the distance is multiplied by 4?
A. The weight is divided by 4.
B. The weight is divided by 16.
C. The weight is multiplied by 16.
D. The weight is multiplied by 4.
Answer: B
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Solve.Three-fourths a number decreased by one is between negative seven and sixteen. Find all such numbers.
A. 
< x < - 8
B. - 
< x < 
C. 
< x < 
D. - 8 < x < 
Solve the problem.The sum of the numbers 14.332, 19.631, 20.572, 21.315, and 24.15 is 100.000. Adjust the list so that the numbers are shown to the hundredths place and their sum is 100.00.
A. 14.34, 19.62, 20.57, 21.32, 24.15 B. 14.34, 19.63, 20.57, 21.31, 24.15 C. 14.33, 19.63, 20.57, 21.32, 24.15 D. 14.33, 19.63, 20.58, 21.31, 24.15
A certain strain of bacteria divides every three hours. If a colony is started with 50 bacteria, then the time t (in hours) required for the colony to grow to N bacteria is given by  figure 1.png)
. Find the time required for the colony to grow to two million bacteria.
What will be an ideal response?
Solve the problem.Gerardo and Jaime like to exercise together by running laps on a track. Gerardo can complete 1 lap every 14 minutes, but it takes Jaime 17 minutes to complete 1 lap. If they start running from the same point on the track at the same time, in how many minutes will they be at the same point again?
A. 714 minutes B. 476 minutes C. 238 minutes D. 31 minutes