Four glasses of milk and 3 snack bars have a total of 83 carbohydrates (carbs), and 3 glasses of milk and 4 snack bars have a total of 85 carbs. Determine many carbs are in one glass of milk and in one snack bar.

How do you write something in scientific notation?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

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?