X ÷ 4 = 8
Multiply each side by 4
x = 32
He subtracted 4 from 12 and got 8
Answer:
27.5 inches^2
Step-by-step explanation:
Area of a triangle =

Plugging in the equation,

Multiply 9 and 5 then multiply by .5 giving you 22.5 so I’d say that’s your best option
Answer:
Step-by-step explanation: