Write the scientific notation in standard form.The signal frequency was set to  Hz.

A. 239.4
B. 342,000,000
C. 3,420,000
D. 34,200,000


Answer: D

Mathematics

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The length of one leg of a right triangle is 7" more than the length of the shorter leg. If the hypotenuse is 7" more than the longer leg, find the area of the triangle.

What will be an ideal response?

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A. (2, 13) B. (-?, -6] C. [-6, 2) D. (-?, 13)

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Perform the matrix multiplication.Find AB for A =  and B = .

A.  
B.
C.
D.

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