The distance, in miles, from me to a moving train is given by
.
?
Here t represents hours since I heard the train whistle. Calculate the distance to the train 5 hours after I heard the whistle.
?
A. 5 miles
B. 208.63 miles
C. 43525.00 miles
D. 147.56 miles
Answer: B
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Find the prime numbers of 145.
a. 2 ú 5 ú 7 b. 2 ú 3 ú 5 c. 2 ú 7 ú 7 d. 5 ú 29 e. 2 ú 5 ú 9
Provide an appropriate response.Solve the equation by writing the equation as a function and using a graphing calculator: 2x + 3 = x + 9
Fill in the blank(s) with the appropriate word(s).
Provide an appropriate response.Solve, checking for extraneous roots: 
= 
A. x = -4 B. x = 4 C. x = -18 D. x = 18
Provide an appropriate response.An open box is formed by cutting a square piece out of each corner of a 8-inch by 12-inch piece of metal. If each side of the squares cut out is x inches long, the volume of the box is given by 
This problem only makes sense when this volume is positive. Find the values of x for which the volume is positive.
Fill in the blank(s) with the appropriate word(s).