If sally wants to have 400 square yards of carpet installed which company would be cheaper?

You are cycling around europe with friends. you book into a hostel and you ask the owner what the ratio of men to women is currently staying there. there are 24 men and 6 women. what is the ratio of men to women in its simplest form?

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

Find the solution of this system of equation -7x+y=-20 9x-3y=36