Part A: describe the graph of the system, including shading and the types of lines graphed. Provide a description of the solution area. Part B: is the point (-2,5) included in the solution area for the system? Justify your answer mathematically

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Graph the function =gx+2x3 and give its domain and range using interval notation.

The coverage of a base station of a telecommunication company forms a disk with a radius of (kilometers). let be the distance of a cellphone from a base station. assume that the location of cellphones in use are randomly uniformly distributed within the disk. calculate the mean and variance for the random variable.