قطعه ارض مثلثه الشكل طول ضلعين فيها 40، 70 والزاويه المحصوره بينهما 60 درجه جد مساحه الارض؟

You make and sell triangular flags. each flag has a base of  3.53.5  feet and a height of  2.52.5  feet. fabric for the flags costs  $0.40$0.40  per square foot. what is the cost to make one flag?

The sum of two numbers is 86, and their difference is 20. find the two numbers

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.