Answer:
Here’s how you find the mean. Find the sum of all the data combined. Then divide the sum by how many numbers of data there are!!
Step-by-step explanation:
1/10 of 97.50..." of " means multiply
1/10 * 97.50 = 97.50/10 = 9.75 <==
Since the perimeter is the sum of the length of all sides we multiply width and length by 2 and then add them together
Answer:
7.75
Step-by-step explanation:
56-27-21-0.25=7.75