What is your rating for quadratics with an a value of 1? (like x^2+4x-12)

Write a division equation you could use to find a, the number of miles ava is in charge of. what is the value of a? write your answer is simplist form

The figure below shows rectangle abcd and the triangle eca on a coordinate plane.which of the following expressions represents the perimeter of triangle of triangle eca in units

Which graph represents the equation y =4x