4m when m is 6? Can someone help

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

Combine like terms to make a simpler expression 3z+z

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.