PLEASE HELP — the temperature was 6 degrees. it dropped to -12 degrees.

1. what was the total change in temperature?

2. write the situation as an expression.

3. explain the type of problem this represents?

Do u just plot the numbers on the graph like (1,

Classify each polynomial by its degree and by its number of terms.

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.