Two hikers started their trip at the base of a hill. they walked due east 15m, climbed 17m straight up the hill, and looked at their starting point. how far away is their starting point?

What number should be added to both sides of the equation to complete this square? x^2-10x=7

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.

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)