Solve the problem.The battleship USS Tennessee is 50 miles due south of the destroyer USS Alaska and is sailing north at 40 mph. If the USS Alaska is sailing east at 25 mph, how long will it be before the distance between the ships is at a minimum? Express your answer in hours and minutes, rounded to the nearest minute.
A. 53 minutes
B. 1 hour 26 minutes
C. 41 minutes
D. 2 hours 5 minutes
Answer: A
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Use a graphical method to solve the system. Give x- and y-coordinates correct to the nearest hundredth.y = 
x2 + y2 = 5.7
A. (-1.50, -1.86), (1.84, -1.52) B. (-1.84, 1.52), (1.50, 1.86) C. (-1.84, -1.52), (1.50, -1.86) D. (-1.50, 1.86), (1.84, 1.52)
Solve the problem. Round to the nearest cent or tenth of a percent.Reduced price = $49.92; markdown rate = 15%. Find the original price and the markdown amount.
A. Original price = $42.43 Markdown amount = $7.49 B. Original price = $41.11 Markdown amount = $8.81 C. Original price = $57.41 Markdown amount = $7.49 D. Original price = $58.73 Markdown amount = $8.81
Simplify the expression by combining like terms, if possible.-3y + 7 - 5 + 1 + y - 3
A. -4y + 1 B. -4y C. -2y D. -2y - 1
Write the expression as a Hindu-Arabic numeral.8(103) + 4(102) + 0(101) + 8(100)
A. 848 B. 84,080 C. 8408 D. 8480