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It looks like you’ve uploaded an image of a math worksheet. I'll help you with the problems shown in the image. 

To provide the best assistance, I'll go through each problem and offer solutions or explanations. Here's the breakdown:

1. **First Problem:**
   The problem asks to write an equation that represents a situation involving a car's fuel efficiency. This is typically modeled by a linear equation where the total distance is a function of the amount of gas (in gallons) used.

2. **Second Problem:**
   The task requires plotting the equation \( y = -\frac{1}{2}x + 2 \) on the graph. This is a straightforward task of plotting the linear equation on a coordinate plane.

3. **Third Problem:**
   This question asks about Zain's rectangles, where all rectangles have the same proportional relationships between their lengths and widths.

Let me work on these step by step:

### Problem 1:
- **Situation Description:** Usually, a linear relationship between distance and fuel is given as:
\[ d = r \times g \]
Where \( d \) is distance, \( r \) is the rate (miles per gallon), and \( g \) is the gallons used.

- **Equation Example:** If the car gets 25 miles per gallon, and you drive \( x \) gallons, the distance \( y \) would be:
\[ y = 25x \]

### Problem 2:
- **Equation to Plot:** \( y = -\frac{1}{2}x + 2 \).
  - The slope \( m = -\frac{1}{2} \) and the y-intercept is \( 2 \).
  - **Plotting Steps:**
    - Start at \( (0, 2) \) on the y-axis.
    - From there, move down 1 unit and to the right 2 units for each point (due to the slope).
    - Connect these points to form the line.

### Problem 3:
- **Proportional Rectangles:** Zain's rectangles must maintain a constant ratio of length to width. This implies that for any two rectangles, if one has dimensions \( l_1 \) and \( w_1 \), and another has \( l_2 \) and \( w_2 \), then:
\[ \frac{l_1}{w_1} = \frac{l_2}{w_2} \]

Would you like a more detailed explanation or visual representation of any of these steps? Let me know if you have any specific questions or want further clarification on any problem.

Here are five follow-up questions you might consider:

1. What is the significance of the slope in a linear equation?
2. How do changes in the y-intercept affect the graph of a linear equation?
3. What does the slope represent in real-world situations, such as fuel efficiency?
4. How do you determine if two rectangles are similar?
5. What other real-world scenarios can be modeled using linear equations?

**Tip:** When plotting a graph, always start by identifying the slope and y-intercept, as these will guide you in drawing the line accurately.

It looks like you’ve uploaded an image of a math worksheet containing three math problems involving equations and graphing. The problems are related to writing an equation representing a car's fuel efficiency, plotting a linear equation, and discussing proportional rectangles.

Learn how to solve problems involving linear equations, graphing a linear function, and understanding proportional relationships between rectangles. This worksheet is suitable for students in Grades 6-8 and covers essential algebraic concepts.

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