9-2(-3)+6= 9+6+6 Your answer should be 21 if I read your question correctly
60 degrees, because it's an equilateral triangle, as you can tell because the sides are all the same length.
Answer:
32
Step-by-step explanation:
The equation
and the graph below describe the velocity V in feet per second of a ball <em>t</em> seconds after it is shot into the air.
To find the balls velocity after seven seconds, substitute t = 7 into the function expression:

I got 18x+9=y
--------- (divide)
9
if you want I can show you how I got that and if its wrong im sorry but that's the best simplified answer I got for y.