Ahiker descended 2.23 ft every hour for 3 h. what is the change in the hiker’s altitude?
use a positive or negative number to express the change in the hiker’s altitude.

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.

Guys i really need or i have to stay late up night

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial