Answer:
8
Step-by-step explanation:
7x+y=0
x+6y=5
x-y+4=8
Answer:
i think 9
Step-by-step explanation:
<h2>i not sure</h2>
Answer:
-25 points
Step-by-step explanation:
they had 20 points and subtracted by 30 leaves you with -10 and they lost another 15 points making it -25
Answer:
12
Step-by-step explanation:
Remember:
A triangle is always 180 degrees and so is a straight line so 360 degrees in total:
1) Add 92 and 123 which equals 215
Then 360 subtracted by 215 is 145
Answer: 145
2) add 100 and 25= 125
360-125= 235
Answer: 235 degrees