128.309728
add all numbers together and divide by 50(there are 50 numbers)
find the difference of each number and 67.92(the mean)
add all these numbers together and divide by 50
You know that two expressions are equivalent when if you substitute in your values and simply the expressions, they have the same answer.
Answer:
Step-by-step explanation:
sorry i tried my best i think its like a 30
Answer:
horizontal - 5 units long
verticle sides - 1 unit tall
perimeter - 12 units
Step-by-step explanation: