20“-“-“-“-“-“”-“-“-“-“-“”-“-“-“-“-“-“-“-“-
The answer is c.
Explanation:
Something cannot be a function if there is more than one of the same number in the x coordinate. For C there are two 9’s in the x box.
Answer:Put an open dot there on top of -1 then point an arrow to the left
Step-by-step explanation:
For chemistry you would need to get an 84.
For Spanish you would need to get an 82.
Best of luck