Answer:
4/5 of the students would have protractors.
Step-by-step explanation:
See attached picture for answer
9 - c = -13
Take away 9 from both sides to isolate the -c:
-c = -13 - 9
-c = -22
Multiply both sides by -1 to get +c:
-1 × -c = -1 × -22
c = 22
Therefore your answer is c = 22. :)
5y+4x
5(10) + 4(-5)
50 - 20
30
