Solve the problem.Suppose that y = 
can be used to calculate the number of years y for x percent of a population of 
sparrows to die. Approximate the percentage (to the nearest whole per cent) of 
sparrows that died after 
A. 84%
B. 86%
C. 80%
D. 88%
Answer: B
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Solve.Two recording devices are set 3200 feet apart, with the device at point A to the west of the device at point B. At a point on a line between the devices, 200 feet from point B, a small amount of explosive is detonated. The recording devices record the time the sound reaches each one. How far directly north of site B should a second explosion be done so that the measured time difference recorded by the devices is the same as that for the first detonation?
A. 1587.45 feet B. 1176.3 feet C. 428.57 feet D. 6148.17 feet
In the following figure, m
n. Determine whether the given angles are congruent or supplementary.
?g and ?h
A. Congruent B. Supplementary
Solve the problem.Find the length of the unknown side of the right triangle, where a and b are the legs and c is the hypotenuse. a = 6, b = 8, c = ?
A. c = 10 B. c = 7 C. c = 9 D. c = 5
Solve the problem.A grocer sold 10 melons for $0.88 each. What was the total amount of the sale?
A. $8.90 B. $9.90 C. $8.81 D. $8.80