Help plz choose the correct equation for the function whose graph is shown

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Atriangle on a coordinate plane is translated which is another way to write this rule? (x, y) - (x + 4. y - 8) (x,y) - (x -4.7-8) (x,y) - (x - 8, y + 4) (x,y) - (x + 8, y - 4)