can someone pls answer the UNANSWERED questions. (the ones that dont have the blue dot on them) WILL MARK BRAINLIEST

Answer:
7.B
9.A
Step-by-step explanation:
Gcf of 24 and 36
is 12
a^2 and a is a
180-50
=130
acute mean less than 90 degrees
180-89=41
89 and 41 are acute
1 is also wrong