From a group of 18 customers 5 are to be chosen to receive a special gift. assuming that the order is in which the customers are children is irrelevant, how many group of 5 custom it can be chosen?

Afarm is to be built in the shape of quadrilateral abcd, as shown below. all four sides are equal. a rhombus abcd is shown with diagonal ac equal to 15.5 feet and diagonal bd equal to 13.2 feet. what is the area of the farm? pleas only pick from the 4 below 62 square feet 52.8 square feet 57.4 square feet 102.3 square feet