Between the time Tim woke up and lunchtime, the temperature rose by 8. Then by the time he went to bed, the temperature dropped by 12.
Write an addition expression for the temperature relative to when Tim woke up.

Read the situations in the table below. then drag a graph and equation to represent each situation. indicate whether each of the relationships is proportional or non-proportional. edit : i got the right answer its attached

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?