3.find the slope of the line. A.-2

B.-1/2

C.1/2

D.2

4.find the rate of change.

A.1/63;The car travels 1 mile every 63 hours.

B.10;the car travels 1 mild every 63 hours.

C.63/1;The car travels 63mile every 1 hour.

D.252;The car travels 252 miles.

step-by-step explanation:

proportions are fractions that equal to each other. so if two fractions are the same, they are proportional.

let's check the answers to see if they are proportional.

question a is not proportional because you can't turn 1.5/3 to 3/9. if you try to multiply 1.5/3 by 2 or 3, you wont get 3/9. it's impossible to make the fractions the same.

question b is not proportional because you can't turn 22/33 to 4/6. 33 can't go into 6.

question c is proportional because when you multiply 2 and 3 by 71, you would get 142/213, and those fractions equal to each other

question d is proportional because when you divide 14 and 7 by 2, you would end up with 7/3.5, and those fractions equal to each other.