The answer you're looking for is s=6.
by substitution you'd get 6.
Answer:
-7xy+4x^2-8 and y+1-8x^y
Step-by-step explanation:
Answer:
13 seconds.
Step-by-step explanation:
Given

Required
Determine a reasonable solution for t
To do this, we equate h to 0.
becomes

Divide through by -4.9

Reorder the expression

Split
or 
This gives:
or 
But time can't be negative, So:

Answer:
the answer is -6,5
Step-by-step explanation:
just look at the left side ( the x axis )first then right(the y axis)