Tomas plans to construct a circular fishpond with a diameter of 9 ft. Which of the following is closest to the length, in feet, of the decorative fencing that Tomas needs to enclose the fishpond along its perimeter?
A. 15
B. 19
C. 29
D. 64
E. 255
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Christopher bought 4 cans of soup for a total of $3.36,which included sales tax of $0.16.
A. $0.80
B. $0.84
C. $4.80
D. $5.04
E. $6.40
If Trial 4 had been extended, at approximately what time would 0.45 mL of 0 2 have reacted?
A. 70 sec
B. 140 sec
C. 240 sec
D. 270 sec
One of the cornfields involved in the studies had an area of 2.5 hectares. In Study 2, how
A. 60 kg N
B. 100 kg N
C. 240 kg N
D. 300 kg N
In Trial 9, the electrical force exerted by Sphere Y on Sphere X and the electrical force
A. east; east
B. east; west
C. west; west
D. west; east