Solve the equation.x2 - 144 = 0
A. -12, 12
B. -12
C. 0, 12
D. 12
Answer: A
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Solve the problem.A pipette has the shape of a right circular cylinder with a right circular cone at its end. The pipette is used to inject a nutritive suspension into a colony of microbes. The volume, in cubic centimeters, of a pipette of height h and radius r, both in centimeters, is given by the polynomial 
. How much nutritive suspension can be provided if the pipette has a radius of 0.2 cm and a height of 3.1 cm? Use 3.14 for ? and round to the nearest tenth cubic centimeter.
A. 8 cm3 B. 0.3 cm3 C. 1.1 cm3 D. 0.5 cm3
Solve the problem.The owner of a video store has determined that the cost C, in dollars, of operating the store is approximately given by 
where x is the number of videos rented daily. Find the lowest cost to the nearest dollar.
A. $534 B. $828 C. $632 D. $338
Solve the problem.Susan purchased some municipal bonds yielding 7% annually and some certificates of deposit yielding 9% annually. If Susan's investment amounts to $19,000 and the annual interest is $1590, how much money is invested in bonds and how much is invested in certificates of deposit?
A. $5500 in bonds; $13,500 in certificates of deposit B. $6000 in bonds; $13,000 in certificates of deposit C. $13,000 in bonds; $6000 in certificates of deposit D. $13,500 in bonds; $5500 in certificates of deposit
Evaluate.
2
A. - 
B. 
C. 
D. - 