The base of an isosceles triangle is 16 cm and the arm is 20 cm. Calculate the perimeter of the triangle formed by the midpoints of the triangle.

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.

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?