Answer:
See below
Step-by-step explanation:
The three angles inside of the triangle sum to 180
11x + 4 + 3x + 78 = 180
14x +82 =180
x = 7
then B = 11x + 4 = 11(7) + 4 = 81 degrees
C = 3x = 21 degrees
Answer:
Commutative Property, the third one is Associative Property
Step-by-step explanation:
Answer:
Z=1
Step-by-step explanation:
please mark me as brainlest
Answer:
the answer for me would be (p+q)+r
here is why I think so
q +pr ( the pr close-by together in maths means multiple so that's out) same goes for C and A it has a negative so that's not equal.
