The diagram shows a U-shaped glass tube, closed at one end by a tap. The glass tube contains a liquid as shown. Can someone help!!
I’m out of time!!

Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

Find the dimensions and area of the largest rectangle that can be inscribed in the upper half of the ellipse. (give your answers in terms of a and b. enter the dimensions as a comma-separated list.)

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87