The table below shows the cost of downloading songs from a website. Number of Songs
Number of Songs
Total Cost
Total Cost
16
16
$
19.36
$19.36
18
18
$
21.78
$21.78
20
20
$
24.20
$24.20
What is the constant of proportionality between the total cost and the number of songs?

Find the solution of system of equation y= x-4 y=4x+2

The data shown in the table below represents the weight, in pounds, of a little girl, recorded each year on her birthday. age (in years) weight (in pounds) 2 32 6 47 7 51 4 40 5 43 3 38 8 60 1 23 part a: create a scatter plot to represent the data shown above. sketch the line of best fit. label at least three specific points on the graph that the line passes through. also include the correct labels on the x-axis and y-axis. part b: algebraically write the equation of the best fit line in slope-intercept form. include all of your calculations in your final answer. part c: use the equation for the line of best fit to approximate the weight of the little girl at an age of 14 years old.

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet