Answer:
42 yards
Step-by-step explanation
There are 4 sides to a rectangle. 2 lengths, and 2 widths. That means that you multiply both values by 2 and then add them together, so 40 + 2. A more basic way to think of it is 20+20+1+1. Therefore, the perimeter is 41 yards.
Answer:
123000
Step-by-step explanation: 8,200 x 15 =123000
The longest worm is 3/4 as long as the shortest worm.
Answer: 2x+9
Explanation: 2 times a number is represented by “2x” and adding 9 is represented by “+9”