Aroller coaster travels 3/4 of a mile in 40 seconds .what is the average speed in miles per hour

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Ineed to know the answer to this algebra question.

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y > 2x + 3y is less than negative 3 over 2 times x minus 4part 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 (â’4, 6) included in the solution area for the system? justify your answer mathematically. (4 points)