What is the value of 14 - a² given a = -3? A. 23 B. 11 C. 8 D. 5

What term best describes a line and a point that lie in the same plane? a. congruent b. coplanar c. collinear d. equal

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).

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex