Combine and simplify, if possible.3
- 
A. 3(x -1)
B. 3x
- 1
C. (x -1)
D. (3x -1)
Answer: D
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Solve the problem. Round answers to the nearest tenth if necessary.An alien observer on Planet X can approximate distances in the sky by using his "hand" at arm's length. An outstretched hand is about 35 arc degrees, a clenched fist is about 25 arc degrees, and a thumb corresponds to about 1 arc degree. (i) If one clenched fist plus one outstretched hand covers the distance between two stars, about how far apart in arc degrees are the stars? (ii) The apparent size of Moon X as observed from Planet X is about 21 arc minutes. Approximately what part of an observer's thumb would cover Moon X?
A. (i) 50 arc degrees; (ii) approximately 
of a thumb
B. (i) 61 arc degrees; (ii) approximately 
of a thumb
C. (i) 26 arc degrees; (ii) approximately 
of a thumb
D. (i) 60 arc degrees; (ii) approximately 
of a thumb
Provide an appropriate response.The equation 
has no solution in the interval 
Explain what this tells you about the graph of 
What will be an ideal response?
Write the following in words.17.088
A. Seventeen and eighty-eight tenths B. Seventeen and eighty-eight hundredths C. Seventeen and eighty-eight ten-thousandths D. Seventeen and eighty-eight thousandths
Solve.A company has 63,000 employees. Of these, 
drive alone to work, 
car pool, 
use public transportation, 
cycle, and the remainder use other methods of transportation. How many employees use each method of transportation?
A. Drive alone: 2,100; car pool: 10,500; public transportation: 9,000; cycle: 7,000; 
B. Drive alone: 21,000; car pool: 10,500; public transportation: 9,000; cycle: 7,000; 
C. Drive alone: 21,100; car pool: 10,500; public transportation: 8,900; cycle: 7,000; other: 1000
D. Drive alone: 21,000; car pool: 10,500; public transportation: 9,000; cycle: 7,000; 