Answer:
13- 60, 14- 30
Step-by-step explanation:
number 13 is a 60, 60,60 triangle
number 14 has two identical edges 2 of the corners are the same:
30, 30, 120
I think it’s 15 I’m not sure tho
Answer:
-3a(9+3b)
Step-by-step explanation:
-9a3-3a3b
= -27a-9ab
= -3a(9+3b) answer
<u>Use the distributive property to solve. Multiply the two by every term in the parentheses and then combine alike terms.</u>