The first term of a geometric sequence is 3 and the fifth term is 768 what is the sum of the first 9 terms of the corresponding series

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $

If square root x = -7, then x= -49 true or false

Find the area of the regular hexagon if a side is 20 cm.