Provide an appropriate response.What fraction of a standard metric unit is used to represent a centimeter?
A. 
B. 
C. 
D. 
Answer: C
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Tempco Electronics, a division of Tempco Toys, manufactures an electronic football game. An efficiency study showed that the rate at which the games are assembled by the average worker t hours after starting work at 8 a.m. is
?
units/hour. How many units can the average worker be expected to assemble in the first hour of the morning shift? Answers are rounded to the nearest whole unit.
?
A. 23 units
B. 29 units
C. 26 units
D. 25 units
E. 16 units
Solve the problem. Round your answer to the nearest tenth, if necessary.The formula s = 16t2 is used to approximate the distance s, in feet, that an object falls freely (from rest) in t seconds. A man drops his keys off a building 1015 ft high. How long does it take the keys, falling freely, to hit the ground?
A. About 8 sec B. About 31.7 sec C. About 63.4 sec D. About 127.4 sec
Find the product.(p + 9q)(p - 9q)
A. p2 - 18q2 B. p2 - 81q2 C. p2 - 18pq - 81q2 D. p2 + 18pq - 81q2
Use the quadratic formula to solve the equation. Simplify any radicals.x2 + 6x + 4 = 0
A. {3 ± 
}
B. {2}
C. {-3 ± 
}
D. {
± 3}