6 + 14 + 22 + ... up to 15 terms
Find the sum of the arithmetic series

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then,the two had the same amount of money. how much money did each have originally?

The graph shows the distance kerri drives on a trip. what is kerri's speed?