(x,y) to (x,-y). As the triangle is reflected across the x axis, the x value stays the same. Being reflected, the y value is reversed (from negative to positive because the shape is going from below to above)
Hope that made sense
Answer:
Please find the graph in the attached file.
Step-by-step explanation:

In getting the average of all the measurement you give you need first to sum all the measurements and also make sure that you do it properly. Then divide the sum with the number of measurements. By calculating the answer is 10.288
No! If this☝ is the chart that is being represented, you simply need to look for where D matches up to F, and where C matches up to S. As you can see, the values are not the same. (Additional info: he wants to interview 1000 people, and already asked ten classmates. Just multiply each value by 100 to see what the predicted amounts will be)
I hope this was correct... good luck!