Which expression is equivalent to 17^(4) ÷ 17^(6)(17^(-3)/(17^(-2)? A. 17^-5

B. 17^-1

C. 17^3

D. 17^4
PLEASE

What is the probability of rolling a single die greater than 4

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The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?