Which of the following is a geometric series? a 6 + 13 + 20 + 27
b 7 + 21 + 35 + 45
c 14 + 24 + 28 + 35
d 2 + 14 + 98 + 686 ​

If rt is greater than ba, which statement must be true ?

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?

The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points