Combine and simplify. Write the answer as a mixed number as needed.19
- 2
- 1
A. 18
B. 16
C. 16
D. 16
Answer: D
Mathematics
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Find the first five terms of the recursively defined sequence.a1 = 7, an+1 = 
an
A. 7, 
, 
, 
, 
B. 7, 
, 
, 
, 
C. 7, 
, 
, 
, 
D. 7, 
, 
, 
, 
Mathematics
Determine which fractions are improper.
, 
, 
, 
, 
A. 
, 
, 
B. 
, 
, 
, 
, 
C. 
, 
, 
, 
D. 
, 
Mathematics
Provide an appropriate response.At what angle must a jet descend if it is 1,500 ft above the end of the runway and must touch down 2500 ft from the runway's end? Round to four significant digits. 
A. 30.0° B. 31.0° C. 59.0° D. 60.0°
Mathematics
Simplify.
÷ 
? 
A. 
B. 
C. 2.5
D. 10
Mathematics