Answer:
x = 31, x = 19
Step-by-step explanation:

Answer:
x>5/3
Step-by-step explanation:
9<3x+4
3x+4>9
3x>9-4
3x>5
x>5/3
Answer:
A. delivering substances to the cells of the body
Answer:

Step-by-step explanation:
In the formula listed above, "A" represents the area of the triangle, "b" represents the base of the triangle, and "h" is the height/altitude of the triangle.
This makes sense because the area of a square is base*height and a triangle is half of a square.