It adds up to 180 degrees
It’s a prediction so basically an estimate of how much students he thought were going to be there. An actual number is the real total.
Answer:
265
Step-by-step explanation:
765-500=265 = 500+265=765
Answer:
2
Step-by-step explanation:
a(2,1) means the item of 2nd row and 1st column.
Column is seen vertically and row is seen horizontally.
