Answer:

Step-by-step explanation:
<u>-x + 4 equals </u><u>0</u><u>.</u>
<u />
<u>Substitute 4 for x:</u>
<u />
<u>Simplify:</u>
<u />

Answer is .325 hope it helps
Step-by-step explanation:
d is correct answer as i think.
It is 8 sq in his because if u use the formula bh1/2 u get 4 x 4 x 1/2 which is equal to 8