Answer:
The student's mean score in the class is 80.6
Step-by-step explanation:
we know that
To find out the student's mean score in the class, multiply each score by its worth and adds the numbers

therefore
The student's mean score in the class is 80.6
Answer:
(-4,5) if it is rotated 90 degree counterclockwise
Answer: -9/7
Explanation: subtract both numbers because they are negativeand you get -9/7
Answer:
4,39299
Step-by-step explanation:
I multiplied 3 x all the numbers in 6,973, then 6 x all the numbers (I added a 0 before I multiplied, then added both the products and got my answer.
Always to do each to 1 sigfig 20-6=14