Find the volume of the specified solid. Use 3.14 as the approximate value of ?, and round your answer to the nearest tenth.A sphere with diameter 2.3 ft
A. 3.6 ft3
B. 6.4 ft3
C. 5.5 ft3
D. 50.9 ft3
Answer: B
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Find all specified roots.Seventh roots of 1.
A. 1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
B. -1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
C. 1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
D. 1, cis 
, cis 
, cis 
, cis 
, cis 
, cis 
, -1
Solve the problem.One rope pulls a barge directly east with a force of 52 N, and another rope pulls the barge directly north with a force of 81 N. Find the magnitude of the resultant force acting on the barge.
A. 29 N B. 133 N C. 4200 N D. 96 N
Perform the indicated operation.
+ 
A. 
B. 
C. 
D. 
Solve the problem.A room measures 14 ft by 
The ceiling is 
above the floor. The door is 
by 
A gallon of paint will cover 84.2 ft2. How many gallons of paint are needed to paint the room (including the ceiling and not including the door). Round your answer up to the next whole number.
A. 13 gallons B. 23 gallons C. 10 gallons D. 4 gallons