Solve and check.9y2 + 24y + 16 = 0

A. - - 
B. - - 
C.
D. - 


Answer: B

Mathematics

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Find the average value of the function f over the given region.f(x, y) = ; R = {(x, y): 1 ? x ? 7, 1 ? y ? 7}

A.
B. 2
C. 2
D.

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Perform the indicated operations and attach the correct units to the answer.(4.4 gal)

A. 180 mi B. 9.0 gal C. 9.0 mi D. 180 gal

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Evaluate the expression. 

A. 15
B.
C. 10
D. 60

Mathematics

Use the principle of mathematical induction to show that the mathematical statement is true for all natural numbers n.Sn: 1 ? 7 + 2 ? 7 + 3 ? 7 + . . . + 7n = 

What will be an ideal response?

Mathematics