Pentagon ABCDE has the following angle measures: ∠A = 121∠B = 108∠C = 102∠D = 100∠E = x
What is the measure of ∠E ?

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

If you flip a coin 3 times, what is the probability of flipping heads 3 times? a. p(3 heads) = 3/8 b. p(3 heads) = 1/6 c. p(3 heads) = 1/8 d. p(3 heads) = 1/2

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)