The area of a rectangular room is x²+2x-224. The length of the room is x+16. What is the width of the room?

The price of a coat increased from $78 to $92. what is the price increase percentage?

Six random samples were taken each year for three years. the table shows the inferred population for each type of fish for each year.

Abag contains 5 red marbles , 6 blue marbles and 4 green marbles. susie selects a marble and returns it to the bag before selecting another marble. if susie selects a red marble 6 out of 20 times, what is the experimental probability that the next marble she selects will be a red marble ?