Mark’s scores on his first 9 assignments were: 10,10,9,9,10,8,9,10, and 8.Mark did not do the tenth assignment, so he got a zero on it. Zero is an outlier for these assignments. What is his new mean?

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get

75%

step-by-step explanation:

lol.

it's ok we all do this sometimes.

-aparri