An engineer started recording temperatures (y) of two freezers at time x=0 . she has come up with the system of equations below based on her data.

x+2y=−9y=−3x−7

if the temperatures were graphed versus time, at what coordinates would both freezers have the same temperature?

solve using substitution.

What is the relationship between all triangles that can be drawn given the same three angles

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?