Provide an appropriate response.True or false? The principal fifth root of -243 is 3.
A. True
B. False
Answer: B
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Solve.Two LORAN stations are positioned 208 miles apart along a straight shore. A ship records a time difference of 0.00086 seconds between the LORAN signals. (The radio signals travel at 186,000 miles per second.) Where will the ship reach shore if it were to follow the hyperbola corresponding to this time difference? If the ship wants to enter a harbor located between the two stations 19 miles from the master station, what time difference should it be looking for?
A. 80 miles from the master station, 0.000914 seconds B. 24 miles from the master station, 0.000914 seconds C. 80 miles from the master station, 0.000457 seconds D. 24 miles from the master station, 0.000457 seconds
Simplify.
÷ 
A. 
B. 
C. - 
D. - 3
Express the statement as an equation involving the indicated variables.The volume V of a sphere is 
times ? times the cube of the radius r.
A. V = 
? 
B. V = 
?r
C. V = 
?r3
D. V = 
?r2
Solve the system by the addition method.-3x + 7y = 24-5x - 4y = -7
A. {(-1, -3)} B. {(1, -3)} C. {(1, 3)} D. {(-1, 3)}