Answer:
the answer is B) 12a+6b
Step-by-step explanation:
3+9=12 so 3a+9a=12a,
7-1=6 so 7b-(1)b=6b
A = pi r^2
A = 3.14 x 7^2
A = 3.14 x 49
A = 153.86
Answer:
67.6275
Step-by-step explanation:
ok so 88.5-25=63.50
63.50*6.50%=4.1275
63.50+4.1275=67.6275
Answer:
yes
Step-by-step explanation:
according to cyclic quadrilateral properties the oppoaite angles are supplementry