Answer:
t=20
Step-by-step explanation:
delta math blessed.
6(4.5y - 12) = 9
(4.5y - 12) = 9/6
4.5y - 12 = 1.5
4.5y = 1.5 + 12
4.5y = 13.5
y = 13.5/4.5
y = 3
Answer:
2
Step-by-step explanation:
2 is the smallest you can get fir it to be a proper triangle