Answer:
............................
a)
We know that a 4-sided polygon's angles add up to 360 degrees
so to find x:
360-(69+118+84)=89 degrees
b)
For a 4-sided polygon we also know that the outside angles add up to 360 degree.
so to find p:
360-(100+62+106)=92 degrees
Hope it helps!
Answer:
-5 = -90/18
this will be your answer my friend
1st hour 350 purched tickets @ $17.50 each = $6,125
the second hour 20% more people purchased tickets than the first hour - 350 x 20%=70 more than 1st hour.so 70 x $17.50=$1,225 so total sales is $6,125 + 1,225=$7350

We know that y=7x, so we just need tu put it into the 1st equation

So we found x. Now we can find y

Answer:
x=1, y=7; or (1;7)