use the digits 1, 2, 3, 4 and 5 so the quotient is greater than 200 and the reminder is zero. use each digit only once.9635 / xx = xxx

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

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms

Mr. rose asked his students to draw a quadrilateral with 4 unequal sides. draw an example of this kind of quadrilateral.