Answer:
10 is the rate of change
Step-by-step explanation:
so, x =

and y =

Hence, the answer is the first one.
Answer:
I think it is the 3 one
Step-by-step explanation:
Answer:
6,889
<em>Multiply </em>83 x 83.
<h3>
83 x 83 = 6,889.</h3>
Therefore, 83 squared is 6,889.
DF =DE + EF
4x-8 = x-4 + 2x+5
4x - 8 = 3x + 1
4x - 3x = 1 + 8
x = 9