0.5(4)+c=-1, so c= -3. Therefore, y=0.5x-3.
90x^2+15x-30 (hope this helps)
The school has 156 professors and 286 lectures
Answer: x= 20
Step-by-step explanation:
If m and n are parallel then the 3x and 2x+20 has to have the same measures which means they have to equal each other . So set them equal each other and solve for x.
2x + 20 = 3x
-2x -2x
20 = 1x
x= 20