Two polynomials are equal if the coefficients are equal.

These are the answers lol can I get brainliest
Answer:
A=75
B=60
C=45
Step-by-step explanation:
5+4+3=12
every triangle is equal to 180 so we divide
180/12=15
then we multiply each angle by 15
5*15
4*15
and 3*15
don't forget to check your work by adding the answers together to get 180
Answer:
corresponding value of equal matrix is equal
a=10
b= -6
c=3
Step-by-step explanation: