Answer: When you reflect a point across the x-axis the x-coordinate remains the same, but the y-coordinate is transformed into its opposite
Step-by-step explanation:
Answer:
84
Step-by-step explanation:
they are all equal sides so what you'd do is 28+28+28= 84
Answer:
x=9
Step-by-step explanation:
We have two similar triangles because both lines are parallel, use proportions to solve:

C the value of m and b doesn't affect the sign of the x-int
m is the slope of the line and b is the y-int