The equation y. 155x -110.419 approximates the total cost in dollars of raising a child in the united states from birth to 17 years, given the household s annual income. x approximately how much would it cost to raise a child in a household with an annual income of $78,300?

Asystem of equations has 1 solution. if 4x-y=5 is one of the equations , which could be the other equation ?

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )

40) linda was making chocolate truffles for the first day of school. the recipe for 20 chocolate truffles is: i cup of cream 2 cups of dark chocolate she noticed this will not be enough truffles for the 42 sure that all students in each homeroom next year. to be sure that all students receive a truffle, linda must adjust her recipe. a. complete the recipe for 42 truffles cups of cream - cups of dark chocolate work: