Find the area of a sector of a circle having radius r and central angle ?. If necessary, express the answer to the nearest tenth.r = 7.0 ft, ? = 
radians
A. 15.4 ft2
B. 51.3 ft2
C. 102.6 ft2
D. 7.3 ft2
Answer: B
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Solve the problem. Round your answer, if appropriate.The velocity of particle A t seconds after its release is given by 
The velocity of particle B t seconds after its release is given by 
How much further does particle B travel than particle A during the first ten seconds (from t = 0 to t = 10)?
A. 440 meters B. 320 meters C. 187 meters D. 4 meters
Solve the problem.Suppose that the quantity supplied S and quantity demanded D of baseball caps at a major league game are given by the functions S(p) = 3960 - 80p and D(p) = 100p, where p is the price. Find the equilibrium price for caps at the game. Then find the equilibrium quantity.
A. $22, $2200 B. $20, $2200 C. $20, $2360 D. $39, $840
Evaluate without the use of a calculator.arcsin
A. 
B. - 
C. 
D. ?
A 200 ft guy wire is attached to the top of a tower. If the wire makes a 55° angle with the ground, how tall is the tower?
(a) 163.8 ft (b) 90 ft (c) 265 ft (d) 85.4 ft (e) 255.6 ft