How many terms are there in a geometric series if the first term is 4, the common ration is 3 and the sum of the series is 160

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 ordered pair (2,-5.2) is located in quadrant iv

Atoss of a 20-sided die is equally likely to be any integer between 1 and 20 inclusive. what is the variance? provide your answer to two decimal points.