What is the surface area of a cylinder with base radius 2 and height 9

Chose the graph below that represents the following system of inequality’s

Triangle knm is what is true about the sides of knm

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )