Find the length of the missing side in the right triangle.

A. 4
B. 4
C. 3
D. 3


Answer: D

Mathematics

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Find the length of the curve.The circle r = 7 sin ?

A. 7?
B. 14?
C. 49?
D. ?

Mathematics

Solve by completing the square to obtain exact solutions.3x2 - 4x - 7 = 0

A. 0, 
B. -1, 
C. 1, 
D. -1, 

Mathematics

Convert the units.307 L =  mL

A. 307,000 mL B. 0.307 mL C. 30,700 mL D. 30.7 mL

Mathematics

Evaluate the determinant.

A. bc - a B. bc - 1 C. a - bc D. 1 - bc

Mathematics