A water rocket is launched off the ground at an initial velocity of 20 feet per second. Which of the following can be used to model the flight of the water rocket?
a. h(t)=-16t^{2}+20t+20
b. h(t)= 16t^2+20t
c. h(t)=-16t^2+20
d. h(t)=-16t^2+20t+40

constants mean the stopped points or the points on a graph that nothing is changing, hope this

step-by-step explanation:

d) by the cross product property, ab^2 = bc multiplied by ad

step-by-step explanation:

we are given

in the given triangle abc

angle a is 90° and segment ad is perpendicular to segment bc

we can see that

triangle(abc) and triangle(abd) are similar because they have common side and same angle (90 degree)

so, triangles(abc) and abd are similar

since, they are similar

so, the ratio of their sides must be equal

we get

now, we can cross multiply

and we get

so, this could be step to prove it

it would rotate about 180 degrees.