What is the justification for the step taken from line 2 to line 3?
3x+9-7x=x+10+x
-4x+9= 2x+10
-6x+9 = 10
6x=1
x=1
the subtraction property of equality
the multiplication property of equality
combining like terms on one side of the equation
the distributive property

Match each whole number with a rational, exponential expression 3 square root 27^2find the domain and range of the exponential function h(x)=125^x. explain your findings. as x decreases does h increase or decrease? explain. as x increases does h increase or decrease? explain.