Answer:
7/12
Step-by-step explanation:
3/12=1/4
2 1/4=9/4
8/12=2/3
1 2/3=5/3
---------------
9/4-5/3=27/12-20/12=7/12
8(11 + 2r) = 126r + 3
first open the parenthesis
88 + 16r = 126r + 3
88 - 3 = 126r - 16 r
85 = 110r
divide both-side of the equation by 110
85/110 = r
r= 17/22
Answer:
B
Step-by-step explanation:
B
Answer:
a:vertex angle
Step-by-step explanation:
it is vertex angle
