Theresa bought 18 postcards during 6 days of vacation. If she buys postcards at the same rate, after 9 days of vacation, how many total postcards will Theresa have bought?

36

Step-by-step explanation:

you just devide 18 by 6, which was three, then you multiply from there up to 9, which gives you 36 ( that probably made no sense, im bad at math )

29 mil

step-by-step explanation:

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.