Add and, if possible, simplify. + 

A.
B.
C.
D.


Answer: C

Mathematics

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Find a quadratic function that best fits the data. Give answers to the nearest hundredth.

A. y = 1.01x2 - 0.66x + 2.11 B. y = 0.53x2 + 4.68x - 2.5 C. y = 1.01x2 + 0.66x + 2.11 D. y = 0.09 + 8.33x - 6.85

Mathematics

By making a table of both the left and right sides of the equation, conjecture if the equation represents an identity. sin2 ? + cot2 ? + cos2 ? = sec2 ?

A. Yes B. No

Mathematics

Determine the first five terms of the geometric sequence.a1 = 2, r = 

A. 2, 
B.
C. 2, 
D. 2, 10, 50, 250, 1250

Mathematics

Simplify the expression. ? - 9 - ( 10 - 4 ) ?

A. - 15 B. 15 C. - 23 D. - 3 E. 23

Mathematics