A 6 character computer password is made up of 4 numbers followed by 2 letters. How many different passwords are possible

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

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