A triangular pyramid is sliced by a plane perpendicular to its base. Draw the cross section.

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

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).

Ajar of gumballs contains 4 reds, 2 greens, and 6 blues. what is the probability of getting two blues in a row without replacement?