I only need number 2 and number three! Please help!!

What term best describes a line and a point that lie in the same plane? a. congruent b. coplanar c. collinear d. equal

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)