What is 15.4+5.4 its very hard for me to learn after all home school​

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.

One positive number is 9 more than twice another. if their product is 95, find the numbers

The area of the map is the product of the length and width. write and expression for the area as the product of the two binomials do not multiply