Answer:
f(x)=7x
-6/7=7x/7
x=-6/7
The answer is 4
Step-by-step explanation:
2/3 x 6= 4
25
1/2 b h
1/2×10×5=25
so i guess the ans is 25 thats all I know
u take 1/2 base ×height
opt. B