Answer:

Refer to the attachment for explication of steps. :)
Step-by-step explanation:
do you mean less than or equal to
x/3<= -6 x 3
x<= -18
Answer:
no
Step-by-step explanation:
(4, -3) when plugged into the inequality x + y < 1 is not true
4 + (-3) < 1 is not true because 1 is not less than 1
Answer:
Max height=50 feet after 1 second
It will take 3.5 seconds for the ball hit the ground.
Step-by-step explanation:
Please see attached file for details