GIVING BRAINLIEST AND EXTRA POINTS PLS HELP :( Which images below are scalene triangles?

A) Triangles A and D
B) Triangles B and D
C) Triangles A and C
D) Triangles C and D

Evaluate this using ! 0.25^2 x 2.4 + 0.25 x 2.4^2 − 0.25 x 2.4 x 0.65

Answer! if you don’t mind, can you explain

As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is