Write an expression for the sequence of operations described below. add b to d, subtract a from the result, then multiply c by what you have.

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.

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

The perimeter of a rectangle is greater than or equal to 74 meters. if the length is 25 meters, the minimum width of the rectangle is meters.