Answer:
6^20
Step-by-step explanation:
When two indices are in brackets, you just have to multiply them.
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
Answer:
square root of 8
Step-by-step explanation:
She can simplify the 12 and the 3.
7720 + 80x = 3200 + 120x
I think this is correct. Hope it helps!