Find a unit vector u with the same direction as
x =<40, 9>.

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

Solve the equation by completing the square. x^2+2x=17

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.