Simplify the polynomial by adding or subtracting, as indicated. Express your answer as a single polynomial in standard form.Subtract (5a - 1) from (4a + 8).
A. a - 9
B. -a + 9
C. -a + 7
D. 9a + 7
Answer: B
Mathematics
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Identify the sequence as arithmetic, geometric, or neither.2, 
, 1, 
, . . .
A. Neither B. Geometric C. Arithmetic
Mathematics
DeMorganize the following:
ÄÄÄÄÄ Ä A + B
Mathematics
Solve the problem.It can be shown that if the angle of elevation from an observer to the top of an object is A and the angle of elevation d ft closer is B, then the height of the object is given by h = 
ft.Find A if 
and 
Give your answer in degrees to the nearest hundredth.
A. 51.51° B. 55.72° C. 46.34° D. 39.97°
Mathematics
Write as a fraction or mixed number and write in simplest form..34.53
A. 34
B. 345
C. 3453
D. 34
Mathematics