Hey! For these questions I'd reccomend m4thm4y. Ps I replaced the a with 4.
Answer:
a
Step-by-step explanation:
Find the area of the base and multiply it by the height
I can't tell you the answer but I can tell you what to do. First you have to take what is in parentheses first. x-4... But I think you made this up because your not supposed to put 10× but the 8(x-4) that makes sense but the last part doesn't..
Answer:
9:50
Step-by-step explanation:
