Hi!! What do you need help with? Solving the problems? Or understanding them? Also 1-9 is a bit blurry, so if you could retake it and repost it, I could solve for them. :). But if you don’t want to, don’t worry.
Acute angle and a right angle makes a obtuse I learned this in 4th
Answer: of what figure
Step-by-step explanation:
Answer:

Step-by-step explanation:

Use distributive property.







Answer:
2a
Step-by-step explanation:
We can combine like terms.
There are 2 'a' s in the expression, so we can rewrite a + a as 2a.