2lamont keeps track of his math grades by recording them
in a table. he wants to keep an average of 90, so he also
lists the amount that each grade is above or below 90.
a. complete the table.
1 2 3
94 179
4
test
grade
above/below 90
156
1
83
96
-7
4
7

i believe

step-by-step explanation:

from my conclusion c

true

step-by-step explanation:

step-by-step explanation:

one of the most important purposes of surface treatment is to alter surface properties according to the requirement of specific applications. for example, hydrophobic coating has been utilized on windshield and eyeglasses. gold atom monolayer on substrate has become a popular surface bioconjugation strategy.  

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.