Solve the problem.Nikki is fishing from a bank 43 feet above water level. In this location, the fish tend to feed at 44 feet below the surface. How long must Nikki's fish line be to reach the fish?
A. 1 feet
B. -43 feet
C. -1 feet
D. 87 feet
Answer: D
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Solve the problem.A motorcycle daredevil is planning a stunt to perform at a county fair. A ramp must be built to give him a 20% grade, or slope. If the vertical height at the end of the ramp must be 13 ft to assure that the stunt is a success, what must be the length of the horizontal run?
A. 13 ft B. 65 ft C. 2.34 ft D. 234 ft
Factor.x2 + 121
A. (x + 11)2 B. (x - 11)2 C. (x - 11)(x + 11) D. Not possible
Solve the problem.The number of periods needed to double an investment when a lump sum is invested at 2%, compounded semiannually, is given by n = 
. Find the number of years before the investment doubles in value, to the nearest tenth of a year.
A. 17.4 yr B. 139.3 yr C. 34.8 yr D. 69.7 yr
Determine algebraically whether the function is even, odd, or neither.f(x) = 
A. even B. odd C. neither