Please help a brotha out and i'll give you brainliest

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

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

Fast! find the length of cu. the triangles are similar. show your work.