Jack plots points showing equivalent ratios on the coordinate plane below. Which ordered pair, if plotted above, would represent a ratio that is equivalent to those shown? (1, 9) (3, 9) (4, 18) (5, 18)

I'm being volume of cylinder with 13 in. radius and 30 in height answer choices in pic

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).

The quadratic function h(t)=-16.1t^2+150 choose the graph representation