Solve the problem.An arrow is fired straight up from the ground with an initial velocity of 
per second. Its height, 
in feet at any time t is given by the function 
Find the interval of time for which the height of the arrow is greater than 
A. before 
sec
B. after 
sec
C. before 
sec or after 
sec
D. between 
and 
sec
Answer: D
Mathematics
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Provide an appropriate response.Find the area of a rectangle that has sides of 30 and 18 inches. Use the formula A = lw.
What will be an ideal response?
Mathematics
Factor completely.-29x2 + x4 + 100
A. (x + 10)2(x - 1)2 B. (x + 5)2(x - 2)2 C. (x + 5)(x - 5)(x + 2)(x - 2) D. (x2 + 25)(x + 2)(x - 2)
Mathematics
Solve the problem.Tim needs to apply 3
gallons of herbicide per acre of soybeans. How many gallons of herbicide are needed for 220 acres?
A. 62
gallons
B. 165
gallons
C. 167 gallons
D. 770 gallons
Mathematics
Find the LCM of the set of numbers.2, 5, 7
A. 10 B. 14 C. 70 D. 35
Mathematics