ANSWER IMMEDIATELY Which of the following best describes the number of solutions to the system of equations shown below?

2x+y=3
-4x-2y=-6

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a. m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

On the blueprint of a house, 42 millimeters represents 8 meters. the actual lehenth of the living room is 5 meters. what is the length on the blueprint

Raymond took out a 25-year loan for $135,000 at an apr of 3.6% compounded monthly. if his bank charges a prepayment fee of 6 months' interest on 80 % of the balance, what prepayment fee would he be charged for paying off the loan 5 years early?