Graph the system of equations. {y=2x2+2x+1y=2x+9
What is the solution to this system of equations?
​(2, 13)​ only
​(−2, 2) ​and (0, 5)​
​(−2, 5)​ and ​(2, 13)​
​(0, 5)​ and ​(2, 5)

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b

The first side of a triangle measures 5 in less than the second side, the third side is 3 in more than the first side, and the perimeter is 17 in. how long is the third side? if s represents the length of the second side, which of the following represents the length of the third side? s-5 ws-2 s+ 3 next question ask for turn it in