A homeowner wants to add an addition to his home. The home has a helght of 30 ft., a length of 50 ft., and a width of 40 ft. As shown, the addition to the house is the length of the house and the width of the house. Find the perimeter
of the house. Explain your process using complete sentences.

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.