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what are the coordinates of the vertex of the parabola described by the equation below?
y = -4(x - 3)2 + 5
a.(3, 5)
b.(5, -3)
, -5)
, 3)

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e. g. 98.765).

Do, h = (7, 9) (14, 18) the scale factor is

What is the ratio of the length of an object in yards to the length of the same object in miles?