Answer:
the first one i believe
Step-by-step explanation:
hope this helps
Answer:
1. Complimentary angles
2. 3x+20 = 10x-15: x = 5
3. I'm not sure on part 3, sorry.
Answer:
90%
Step-by-step explanation:
90%
is the correct answer
0.4 grams or 0.40 grams however you like writing decimals, but either way they are both the same.
