Two and two-thirds of a day, but you should say three days.
1) Answer:

2) Answer:

The answer for first equation is, option B.
and the Answer for Second equation is option D.
Answer:
He lost 15 points and recieved 12 points back now he missing 3 points
Please consider the attached file.
We can see that triangle JKM is a right triangle, with right angle at M. Segment KM is 6 units and segment MJ is 3 units. We can also see that KJ is hypotenuse of right triangle.
We will use Pythagoras theorem to solve for KJ as:




Now we will take positive square root on both sides:



Therefore, the length of line segment KJ is
and option D is the correct choice.
Answer: C Hope it's helpful