Answer:
B-104
Step-by-step explanation:
you multiply 10 and 8 to get 80, then for the triangle its a confusing formula so what i do is make it a full square, and find the area which in this case is 48 then divide by 2 to get 24, then you add 80 and 24 to get 104.
y+x=k
x=4y
mathpapa
