Which number in the standard equation for a circle centered at the origin should one increase to make the circle larger? a. the y-coordinate b. the center c. the x-coordinate d. the radius

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).

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c = f