Step-by-step explanation:
gggggggggggggiiiiiiiiiiii
Answer:
but much research has been done and more has learned about brain injuries in the last 5 years
Explanation:
because this shows they are telling more players about the injuries and informing them about the dangers of playing
Step-by-step explanation:
x = 81° because the sum of interior angles in a triangle is =180°
z = 99° because two interior angles = one exterior (or we can say x + z = 180°
y = 68° because y + z + 13 = 180°
Im pretty sure it 0.909090
