Answer:
uuhhhh t=2/3n-2/3
Step-by-step explanation:
15.7 Gallons
Each wall is 15*30 = 450
450* 4 walls = 1,800
Area of triangles are 15*15/2 = 112.5
112.5 * 4 triangles = 450
1,800 + 450 = 2,250
2,250/143 = 15.73
Cos28=11/x
x=11/cos28
it will be c
Answer:

Step-by-step explanation: