I have more questions then this

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

Which of the following shows the length of the third side, in inches, of the triangle below

Apasta salad was chilled in the refrigerator at 35° f overnight for 9 hours. the temperature of the pasta dish dropped from 86° f to 38° f. what was the average rate of cooling per hour?