Add or subtract as indicated. Express the answer as a single polynomial in standard form.(14x2 + 4x - 13) + (8x + 13)
A. 14x2 + 12x - 26
B. 14x2 + 4x + 26
C. 26x3
D. 14x2 + 12x
Answer: D
Mathematics
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Solve the given trigonometric equation analytically (using identities when necessary for exact values when possible) for values of x for 0 ? x < 2?.sec 
= cos 
A. 0
B. 0, 
, ?, 
C. 
, 
, 
, 
, 
, 
, 
D. 
, 
Mathematics
Provide an appropriate response. Solve the following quadratic using any method: 25x2 = 81.
A. x = 
B.
x = 1.8
C.
x = -1.8, 1.8
D. x =
, -
Mathematics
Solve the problem.A student must choose 1 of 4 mathematics electives, 1 of 8 science electives, and 1 of 7 programming electives. How many possible course selections are there?
A. 448 course selections B. 19 course selections C. 32 course selections D. 224 course selections
Mathematics
Convert to a mixed numeral.
A. 6
B. 6
C. 6
D. 5
Mathematics