Answer:
3x+4y
Step-by-step explanation:
hope this helps...
Answer: 5b + 3 - b -b - 4
Step-by-step explanation:i think thats the answer pls mark brainliest
Answer:
40
Step-by-step explanation:
Use the Outside Angles Theorem,

Answer:
600 ft³
Step-by-step explanation:
Base area: B
Base is triangle
base = 12 ft and height = 5 ft
Area of triangle = B = 

H = 20 ft
Volume = B * H
= 30 * 20
= 600 ft³