Answer:
s+6+s+6+s+s+2s=102, s=18
Step-by-step explanation:
The perimeter is the sum of the side lengths, so
the equation is s+6+s+6+s+s+2s=102.

Answer:
his average speed is 8
Step-by-step explanation:
60+55+x+20 = 180
x + 135 = 180
x = 180 - 135
x = 45
Answer:
3÷0.25
Step-by-step explanation:
0.25×4=1
1×3=3
Each square represents one
5925020 = 5000000+<u>900000</u>+20000+<u>5000</u>+20
Hope it helps. Please do comment