Answer:
Step-by-step explanation:
Let the total points be x
<u>Mark earned 90% of x which is 108 points:</u>
Total points were 120
Answer: b
trust me
13
x*x=12*12+5*5
x*x=144+25
x*x=169
x=13
2+2 = 4
"+" is the mathematical symbol used for addition.
"2" is the mathematical symbol for number "two".