What are measures of 21 and 22? 68°
2.
1 128°
A m21 = 56, m 2 2 = 56
0
B. m21 = 52 m2 = 60
Cm21 = 64, m2 2 = 64
Dm 21 = 60, m 2 = 52

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

Plz determine whether the polynomial is a difference of squares and if it is, factor it. y2 – 196 is a difference of squares: (y + 14)2 is a difference of squares: (y – 14)2 is a difference of squares: (y + 14)(y – 14) is not a difference of squares

This is about circle theorems. someone asap : (