The outside temperature at midnight was 3.4°C. The temperature then changed at a constant rate of -0.78°C per hour for 8 hours. What was the outside temperature at 8:00 AM?

Ahigh definition tv cost $800 with a down payment of 2/5 of the cost. how much is left to pay, in dollars after the down payment has been made?

Part a: select all of the ordered pairs that are located on the graph of the equation. part b: does the graph of the equation represent a function? select all correct answers for part a and one answer for part b.

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?