The oregon trail is 2,197 miles long. how long would it take a covered wagon traveling 20 miles a day to complete the trip? write the answer as a mixed number.

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

Which expression is not a polynomial?

Yahir designs bracelets. he uses between 9 and 15 red and yellow beads in the ratio of 2 red bead to 5 yellow beads. drag the beads into the container to meet these requirements