Mr. Hann is trying to decide how many new copies of a book to order for his students. Each book weighs 6 ounces .Which ordered pair is a viable solution if x represents the number of books he orders and y represents the total weight of the books, in ounces?

Solve the system of equations y= 3/2 - 1, -x+ y =-3

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?