Walk me through this: the bus to the exposition averaged 18 miles to a gallon of gas. how far away was the exposition if they used 8 gallons of gas for the round trip?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x − 8 y is greater than or equal to negative 5 over 2 times x plus 5 part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points) part b: is the point (5, −8) included in the solution area for the system? justify your answer mathematically. (4 points)

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )