What is the surface area of the square pyramid? 3,456 m²

9,984 m²

1,296 m²

2,160 m²

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac

Jim had 15 minutes to do 5 laps around his school what would his time be