Solve the problem.A rotating beacon is located a distance d from a long wall. The distance d is given by 
, where t is the time measured in seconds since the beacon started rotating. Solve the equation for t.
A. t = 2? tan 
B. t = 
arctan 
C. t = 2? arctan 
D. t = 
tan 
Answer: B
Mathematics
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Solve the problem.Find the total cost of 1 dozen eggs at $0.87 per dozen, 3.7 pounds of vegetables at 
per pound, and 1.4 pounds of fruit at 
per pound.
A. $4.77 B. $3.77 C. $3.64 D. $11.63
Mathematics
Find the potential function f for the field F.F = 9x8y9z3i + 9x9y8z3j + 3x9y9z2k
A. f(x, y, z) = x9y9z3 + 9x9y8z3 + 3x9y9z2 + C
B. f(x, y, z) = x27y27z9 + C
C. f(x, y, z) = x9y9z3 + C
D. f(x, y, z) = 
Mathematics
Provide an appropriate response.Solve: 
= 3
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the problem.The water in a tank weighs 199.88 lb. One cubic foot of water weighs 62.5 lb. How many cubic feet of water are in the tank?
A. 0.31269 ft3 B. 3.19808 ft3 C. 262.38 ft3 D. 12,492.500 ft3
Mathematics