Reflection across the x-axis:

y = − f ( x ) y = -f(x) y=−f(x) The concept behind the reflections about the x-axis is basically the same as the reflections about the y-axis.
Answer:
i believe if you open that file up you will get your answer
Step-by-step explanation:
Answer:
second option
Step-by-step explanation:
x - y= 28
x+y = 56
Answer:
3
Step-by-step explanation:
3 is the only number here with factors of itself (3) and 1
B - check your answers and present the solution