You have $40 to spend on n gallons of gas that costs $3.25 per gallon. Determine whether each of the following is an expression or an equation. Using the structure, give an interpretation of the practical
meaning of each

1. 3.25n
2. 3.25n = 26
3. 40-3.25n
4. 40-3.25n=1.00

What situation is an example of an observational study

Which value of y will make the inequality y< -1 false?

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?