What is the GCF of the polynomial below?

14x3 + 35x2 - 21x

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank

#7. m is the midpoint of pq, the diameter of the circle o is 13in. and rm = 4in. find pm find pq