Following a law suit when a woman was burned by spilling hot coffee, mcdonalds now serves coffee at 155°f. the room temperature at mcdonalds is 70°f. according to newtons law of cooling, the rate of change of the temperature of hourly coffee is proportional to the difference between the temperature of the coffee and the surrounding room temperature. in this situation, we have the model

model and the rest of the question is in the picture.

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10