Answer:
10
Step-by-step explanation:
Assuming that each square is one unit, you plug it into the distance formula.
721*8= 5768.................
The second one from the top shows a dilatation.
Answer:
8a + 24
Step-by-step explanation:
Use Distributive property: a(b +c) = a*b + a*c
Here a = 8 ; b= a & c = 3
8(a + 3) = 8*a + 8*3
= 8a + 24