What do all the shapes look like together

Which of the following is an equation of a line parallel to the equation y=4x+1?

What percent of 18 is 24? and plz explain thx.

Which function can be used to model the monthly profit for x trinkets produced? f(x) = –4(x – 50)(x – 250) f(x) = (x – 50)(x – 250) f(x) = 28(x + 50)(x + 250) f(x) = (x + 50)(x + 250)