Add or subtract and simplify. +  + 

A.
B.
C.  
D.  


Answer: D

Mathematics

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Solve. Use the principle of square roots.x2+ 10x + 25 = 28

A. -5 + 2, -5 - 2 
B. 2, -2 
C. 2 - 5, 2 + 5
D. -5 + 2, -5 - 2 

Mathematics

Express the area of the figure as a polynomial in descending powers of the 3x - 3

A. 2x2 - 24x + 21 B. 3x2 + 24x - 14 C. 3x2 + 18x - 21 D. -3x2 + 17x + 21

Mathematics

Find the exact value of the indicated trigonometric function of ?.cot ? = - , cos ? < 0Find csc ?.

A. - 
B. - 
C.
D.

Mathematics

Solve.2x + 5 = 3(x - 1)

A. -2 B. -8 C. 2 D. 8

Mathematics