Answer:a
Step-by-step explanation:
it became wider by decreasing two on the graph.
This is not a function. There are multiple outputs for the same input at 
. A function only has 1 output for every input.
You should be able to multiply 91 by 8 to get the sum of the first 8 tests, then add the score on the 9th test. Then to get the average of the sum of the 9 tests you need to divide it by 9.
((91*8)+78)/9=89.555555555555.... So, 90%
Answer:
do 1000 divide 10 and the ans will be 100
Step-by-step explanation:
