19. A paper airplane was thrown from the top of a tall building. The height of the paper airplane above the ground can be found using the function y'= -1.5x + 60.
where x is the time in seconds the airplane has been in the air. How many
seconds did it take the paper airplane to reach the ground?

20. Write the equation of a line with an undefined slope that goes through the
point (8,4)

21. Write the equation of a line with a zero slope that goes through the point
(1,6).

22. Write the equation of a horizontal line that goes through the point (-3, -6).

23. Write the equation of a vertical line that goes through the point (-11, -20).

12*c

step-by-step explanation:

don't know what that says sorry i can't you

step-by-step explanation:

idk what it says

the least value out of the data shown is 5, maybe if you post a picture with it i could a little more.

step-by-step explanation:

we'll this would mean that the dunk tank and the bounce house are the same for 20 hours because the 2 represents that the two activities, and the 20 represents the amount of hours they both are. so with this said, it means that the answer is c. the costs for a dunk tank and bounce house are the same for 20 hours.

c.the costs for a dunk tank and bounce house are the same for 20 hours.

hope this .