Nine out of the first twelve vehicles that entered a parking lot were cars. Based on this information, if six hundred vehicles entered the parking lot, how many vehicles could be expected to be cars. 450
375
400
350

Determine the relationship of ab and cd given the following points

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)

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle