<span>I rounded up the whole number as if each student sells only 3 sweatshirts, it is too little to pay for the whole trip, therefore the number must be 4. Hope that helps!</span>
Infinite.
By solving for slope-intercept form you will find that these two equations produce the same exact line.
Answer:6 feet 3 inches
Explaining-by dividing 84 by 16.8 you should find out the actual door is 5 times bigger than the photo,next all you have to d is multiply the theifs photo height by 5