How many solutions does 3(x+1)=-3x+3 have
one solution
no solution
many solutions ​

Which graph shows the solution to the system of linear inequalities? y-4t< 4 y

An observer(o) spots a plane(p) taking off from a local airport and flying at a 29 degree angle horizontal to her line of sight and located directly above a tower(t). the observer also notices a bird circling directly above her. if the distance from the plane(p) to the tower(t) is 6,000ft., how far is the bird(b) from the plane(p).

Since we have computer algebra systems that can solve polynomial division problems for us, why is it necessary to learn how to do these things by hand?