Answer:

Step-by-step explanation:

Answer:
Option B is correct.
Step-by-step explanation:
{ -1 , 0 , 1 , 7 }
Hope this helps!
1.No error , he divided by 16 in the 2 sides .
2.no error ,he made sure that 16/16 is one while d/16 remains
3.no error , he square rooted both sides
4.error, as the root gives one positive value and one negative value not only a positive value ,the answer should have been t=+-(d/4)
5.error,he disturbed the whole equation by rooting d only he should have rooted both sides
Answer:
-2m
Step-by-step explanation:
Since the numbers will go below 0 we have to make it in negative numbers
3 feet 8 inches converted to inches is 3x12+8=44inches
44inches times 4 pieces is 176 inches.
176 inches converted back to feet and inches is 176/12=14 feet 8 inches so he would need 15 feet of board