The area formula for a parallelogram is base*height=area. Make an equation. You know the area and the height, so plug that into the equation, and you get x*18=396. Solve for x by dividing 396 by 18 and you get 22. So, the base is 22cm.
Answer:
Step-by-step explanation:
i think it is b
Answer:
can u send the full page most of the words are cut out
Answer:
a=1
Step-by-step explanation:
Subtract 9 on both sides
Subtract 3a on both sides
Then divide both sides by 3
