Simplify the complex fraction.
A. 
B. 
C. 
D. 
Answer: A
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After descending 30 feet, a scuba diver paused to check his equipment before descending an additional 80 feet. Use a signed number to represent the diver's final depth.Final depth = __________ feet
Fill in the blank(s) with the appropriate word(s).
Find the indicated term of the geometric sequence.a = 5, r = -5; Find the 4th term.
A. -3125 B. -625 C. 3125 D. 625
Add or subtract as indicated. Write the answer in simplest form.
+ 
A. 
B. 
C. 
D. 
Solve the problem.The table shows for a certain town in the U.S., for various years, the average per capita hours per week of TV viewing and of Internet use. Use the data from 1994 and 2002 to write a system of equations and to predict the year in which the per capita hours of TV and per capita hours of Internet will be equal. Let x represent the number of years since 1994 and y the per capita hours of TV or Internet. 
A. y = 0.3x + 2.3; y = -0.3x + 15.9; About 2015 B. y = 4.7x + 2.3; y = 13.5x + 15.9; About 1996 C. y = 0.4x + 2.3; y = -0.4x + 15.9; About 2011 D. y = 0.3x + 2.3; y = -0.3x + 15.9; About 2017