Solve the problem.Nikki is fishing from a bank 32 feet above water level. In this location, the fish tend to feed at 49 feet below the surface. How long must Nikki's fish line be to reach the fish?
A. -32 feet
B. 81 feet
C. -17 feet
D. 17 feet
Answer: B
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Magazine circulation after t years is modeled by the function
.
?
When did magazine circulation reach 10.00 thousand? Round your answer to two decimal places.
?
A. After 6.17 years B. After 5.80 years C. After 4.20 years D. After 3.00 years
Solve the problem.A rock falls from a tower that is 117.6 m high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground 
Round to the nearest tenth, if necessary.
A. 10.8 sec B. 10.6 sec C. 4.9 sec D. 2822.4 sec
Supply the missing numbers. fraction decimal percent0.136
A. 
13.6%
B. 
13.6%
C. 
1.36%
D. 
1.36%
Solve the problem using matrices.Anne and Nancy use a metal alloy that is 18.8% copper to make jewelry. How many ounces of an alloy that is 16% copper must be mixed with an alloy that is 20% copper to form 80 ounces of the desired alloy?
A. 56 oz B. 26 oz C. 61 oz D. 24 oz