Tuna is packaged in a metal can with a radius of 11 cm and height of 8 cm. How many square centimeters of metal are needed to make this can? Give an exact answer in terms of ?.
A. 304? ft2
B. 418? ft2
C. 38? ft2
D. 968? ft2
Answer: B
Mathematics
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Solve. Round to the nearest hundredth, if necessary.The distance D that a spring is stretched by a hanging object varies directly as the weight W of the object. If a 2-kg object stretches a spring 95 cm, find the distance when the weight is 3-kg.
A. 142.5 cm B. 0.06 cm C. 100 cm D. 47.5 cm
Mathematics
Write the following as a rate in lowest terms.$536 for 24 rolls of film
A. 
B. 
C. 
D. 
Mathematics
Solve the system by the substitution method.x2 - y2 = 39 x - y = 3
A. {(-8, -5)} B. {(8, -5)} C. {(-8, 5)} D. {(8, 5)}
Mathematics
Find the sum of the arithmetic series using a formula.1 + 2 + 3 + ... + 510
A. 130,305 B. 260,610 C. 129,795 D. 260,100
Mathematics