Jeremy has to chose his classes for next year. There is a 95% chance he will take English and an 80% chance he will take both English and astronomy. What is the probability that he takes astronomy given that he takes English?

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.