Step-by-step explanation:
105 have a great day cool kiddos
We know that the three angles of a triangle always add up to 180.
Therefore, we have the equation:
55+20+x=180.
Solving for x, we get x=105.
Answer:
y=70 x=20
There are 495 different ways to choose 4 pizza toppings from 12.
12!/8!4! = 12*11*10*9/(4*3*2) = 11*9*5 = 495
