Homework question. What type of transformation?

(a) (8%) compute the probability of an even integer among the 100 integers 1! , 2! , 3! , until 100! (here n! is n factorial or n*(n-1)*(n-2) *… 1) (b) (16%) compute the probability of an even integer among the 100 integers: 1, 1+2, 1+2+3, 1+2+3+4, …., 1+2+3+… + 99, and 1+2+3+… + 100

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.

How do you write y-10=2 (x-8) in standard form