Which values of A and B make the following equations true?

(5x^7 y^2) (-4x^4 y^5) = -20x^a y^b

A) a=11, b=7

B) a=11, b=10

C) a=28, b=7

D) a=28, b=10

5,680 is what percent of 175,692

If a = 7, what is the value of the expression 2 (a + 8) ? ОА. 2 ов. 15 ос. 17 ор. 23 o O E. 30 Reset Next

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