What is the shape of the cross section taken perpendicular to the base of a cone

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Nour and rana are shopping for a christmas tree. they are deciding between 2 22 different types of trees (real and fake) and 4 44 colors for the ornaments (white, silver, gold, and purple). they each created a display to represent the sample space of randomly picking a type of tree and a color for the ornaments. whose display correctly represents the sample space?