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It would be a lot better if you zoomed in for these since it’s nearly impossible to read.
The answers are a b c d e or all of them except the chocolate chip one
Answer:

Step-by-step explanation:
Two angles are Complementary when they add up to 90°.
Therefore

Answer:
a = 30
2a = 60
3a = 90
Step-by-step explanation:
3a + 2a + a = 180 ( Sum of angles of a triangle is 180)
6a = 180
a = 180/6
a = 30
2a = 2 x 30 =60
3a = 3 x 30 = 90