Step-by-step explanation:
16+10+4
26+4
30
30÷(2+2)
30÷4
7 1/2
23000 which is it in scientific notation
Answer:
60 feet
Step-by-step explanation:
The height, h (in meters), of the object launched from a platform is represented by the equation

where x is the time (in seconds) passed after the launch.
The time of launch is
(0 seconds passed after the launch)
Substitute
to find the height:

Slope is -1/5
Y-intercept is 21
Equation is y=-1/5x+21
Yes it’s proportional :)
I have included the answer in the picture attached below: