(8.01 LC) Line A is represented by the equation given below: x + y = 4
What is most likely the equation for line B, so that the set of equations has infinitely many solutions?

4x + 4y = 4
4x + y = 4
2x + 2y = 8
x + y = 8​

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

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?