Find the exact value of the trigonometric expression without the use of a calculator.sin 25° cos 35° + cos 25° sin 35°
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the area of the shaded region. Write the answer as a polynomial in descending powers of x.
(7x + 10) inches
A. (63x2 + 20x + 100) sq in. B. (63x2 + 20x - 100) sq in. C. (63x2 - 70x - 100) sq in. D. (63x2 + 160x - 100) sq in.
Mathematics
Solve the equation by completing the square.t2 - t - 9 = 0
A. 1 ± 
B. 
C. 
D. 
Mathematics
Round as indicated.459,729 to the nearest ten thousand
A. 500,000 B. 470,000 C. 450,000 D. 460,000
Mathematics
The graph of two equations along with the points of intersection are given. Substitute the points of intersection into the systems of equations. Are the points of intersection solutions to the system of equations (Y/N)?
2x2 = y + 5y = -14x + 19
A. No B. Yes
Mathematics