Solve the problem.The battleship USS Tennessee is 130 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 far apart will the ships be when that distance is at a minimum? Round your answer to the nearest tenth of a mile.
A. 17.8 miles
B. 42.5 miles
C. 68.9 miles
D. 84.3 miles
Answer: C
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Find a rectangular equation for the plane curve defined by the parametric equations.x = 2t - 1, y = t2 + 5; -4 ? t ? 4
A. y = - 
x + 30; for x in -6 ? x ? 4
B. y = 
x2 + 
x + 
; for x in -9 ? x ? 7
C. y = x2 + 1; for x in -2 ? x ? 2
D. y = 
x2 + 1; for x in -6 ? x ? 4
Find the decimal equivalent of the fraction.
A. 0.
B. 0.
C. 0.75
D. 0.7
Solve.The monthly payment p on a mortgage varies directly with the amount borrowed b. Suppose that you decide to borrow $120,000 using a 30-year mortgage. You are told that your monthly payment is $686.26. Assume that you have decided to buy a more expensive home that requires you to borrow $220,000. What will your monthly payment be?
A. $1258.14 B. $1509.77 C. $1372.52 D. $374.32
Expand the quotient by partial fractions.
A. - 
+ 
+ 
B. 
+ 
C. 
+ 
+ 
D. - 
+ 
+ 