Step-by-step explanation:
Given

Very simple, we don’t know the units on the graph but I can tell you it will be linear until when it breaks the rule and goes .2 grams one year
Answer:
21
Step-by-step explanation:
y+9 = ?
y=12
12+9=21
Answer:
It would be -x
Step-by-step explanation:
when you divide a positive by a negative you get a negative which singles out x.
-1x could be simplified down to just -x which singles out that answer too
Answer:
y = 7°
Step-by-step explanation:
By interior angle sum theorem of a triangle.
