hi
-16t²+250 = 75
-16t² = 75 -250
-16t² = -175
t² = -175 /-16
t² = 175/16
Here there si two solutions : t =
and t = - 
However, as time cannot rewind, we will keep only positive solution
So t = 
in seconds it will be : 3.3 seconds
There are 16 ways to arrange the row so that at least 3 girls always sit next to each other.
Answer:
The mode is the least used of the measures of central tendency
Step-by-step explanation:
No it isn’t u have to swap them out. is this right? asap pls hurry
Answer: 68*
Step-by-step explanation: In pic