Estimate an answer to the problem.An advertisement states that television sets are on sale at B&G Electronics. The sale prices are: 
set, 
set, 
set, 
style="vertical-align: -4.0px;" /> 
$289.97; 
$519.97. Estimate to the nearest ten the total cost of one 
set and one 
set.
A. $360
B. $370
C. $350
D. $340
Answer: A
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Solve the problem.After a person stops pedaling a bicycle, the wheel rotates 470 times the first minute. Each subsequent minute, it rotates 3/4 as many times as in the previous minute. How many times will the wheel rotate before coming to a complete stop?
A. 1880 rotations B. 3760 rotations C. 626.7 rotations D. 3290 rotations
Solve the problem.A tree casts a shadow 36 m long. At the same time, the shadow cast by a 49-centimeter tall statue is 90 cm long. Find the height of the tree. Round to the nearest tenth.
A. 66.1 m B. 18.1 m C. 19.6 m D. 64.6 m
Provide an appropriate response.Find all complex cube roots of z = 8. Write each root in rectangular form.
A. 2, 1 + 
i, 1 - 
i
B. 2, -1 + 
i, -1 - 
i
C. 2, 1 + 
i, -1 - 
i
D. 2, -1 - 
i, 1 - 
i
Solve the problem.The area of a triangular poster is 832 square centimeters. Its altitude is 12 feet shorter than twice its base. Find the lengths of the altitude and base.
A. base = 64 cm; altitude = 13 cm B. base = 32 cm; altitude = 26 cm C. base = 32 cm; altitude = 52 cm D. base = 16 cm; altitude = 52 cm