Answer:
300
Step-by-step explanation:
This is an equation, you can't write equations as decimals. I think you're asking for x (as a decimal)?
Add 8 to each side: 4+8= 8+(-8)+3x
12=3x
x=4
This is a whole number so it's already in decimal form
Answer:
a.
b. View graph
c. 6.40u
Step-by-step explanation:
knowing that the triangle area is equal to base by heigh between two, then:

The length of the longest altitude of your triangle is:

finally it can be seen that the position of the triangle does not matter, as long as the base and heigh are maintained, the area of the triangle will be the same
Answer:
3
Step-by-step explanation:

4*3=12
3*4=12
12/4=3
12/3=4
Hope this helps ;) ❤❤❤
80 inches squared, I would assume based off of the other one.