Đại hàm của hàm số f(x)= 3x-1 tại x0 =1 là ?

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?