a small airplane has a speed of 250 mph in still air. The plane heads directly north and encounters a 45 mph wind blowing due west find the resulting speed and direction of the flight vector. Please explain if possible i really need help understanding this!

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.

Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39

Someone answer asap for ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?