What is another way to write this number 300+70+5/10+8/100

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.

Somone me i want to know what 18 hours out of 24 hours in a fraction

Which of the following parabolas opens down?